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Ballotpedia:Congressional incumbents and contested primaries between 2004-2012

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By Geoff Pallay and Justin Haas
March 2013

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This page details primary competition for U.S. House incumbents over the past five election cycles (2004-2012). While there are a total of 435 congressional districts, only 143 districts have changed party hands throughout the past 10 years -- a mere 32.90% of all districts. The remaining districts are either brand new (9 of them) or have been held by the same party for the past 5 elections (283 districts).

Therefore, in at least 2/3 of all elections, the race is essentially decided in the primary, since 2/3 of all districts appear to be single-party districts. We then asked the question: how many times does an incumbent face a primary opponent? In essence, how often does an election occur in which the incumbent has a chance of losing?

Ballotpedia conducted this research in part after seeing the 2012 results which showed an extreme lack of general election competition. During the 2012 election, only 30 races (6.90 percent) had a margin of victory of less than 5 percent. Of those 30 races, 18 were Democratic winners while 12 were Republican. Overall, 285 races (65.5 percent) had a margin of victory of greater than 20 percent. Of those 285 races, 145 were Democratic winners while 140 were Republican.

In other words, most races are anti-climactic in the general election. If the general election is often a foregone conclusion, how competitive are primaries for incumbents? How often are incumbents challenged?

The answer is not very often. In the races we studied, incumbents faced a primary only 31.60 percent of the time. Candidates appear to be realizing this trend, as the rate of primary challenges has increased in recent elections. Notably, the percentage of incumbents facing primary challenges doubled in 2012 from the 2004-2008 level.

Overview

Portal:Legislative Branch

In the past five elections, a total of 1,943 races took place where a U.S. House incumbent ran for re-election. In those 1,943 instances, that incumbent faced a primary in 614 occurrences -- only 31.60 percent of the time. In the remaining 1,335 races (68.71%) the incumbent did not face a primary opponent.

The trend does appear to be changing, as 202 of the 393 incumbents (51.40%) who sought re-election did face a primary challenge in 2012. That figure is almost double that of the average for the four preceding elections, which was a very low 26.3% (412 out of 1565).

The table below lists an overview of the figures of each year.

Did the US House incumbent face a primary opponent?
Year 2012 2010 2008 2006 2004
Total % incs running Total % incs running Total % incs running Total % incs running Total % incs running
Yes 202 51.40% 136 35.05% 96 24.55% 89 22.53% 91 23.21%
No 191 48.60% 252 64.95% 295 75.45% 306 77.47% 301 76.79%
Did not run 42 35 32 28 31

Methodology

Obtaining election results for the general election is an easy (albeit time-consuming) task -- the official U.S. House Clerk website lists detailed election results dating back to 1920. However, this report is centered on primaries -- and no current site aggregates all primary results.

Ballotpedia staff used official primary results from the official websites of all 50 states in order to examine election histories from 2004-2012.

We looked for two basic possibilities

  1. Did the incumbent run for re-election?
  2. If running, is the incumbent facing a primary?

We did not adjust the findings to reflect the redistricting changes of the 2012 election.

Full tables of results

The following four tables below (click the tabs) show the district by district results for each year. The first three tables display results with only 1 variable. The fourth table combines all three variables.

  1. Districts in which the incumbent ran but did not face a primary challenge
  2. Districts in which the incumbent ran and did face a primary challenger
  3. Districts in which the incumbent did not seek re-election
  4. All three variables combined.

Incumbent Did Not Face Primary

This table highlights the districts in which an incumbent ran for re-election but did not face a primary challenge.

Legend:      Incumbent Did not Face Primary Opponent





Did the US House incumbent face a primary opponent?
District Party Incumbent Took Office Party change? 2012 2010 2008 2006 2004
Alabama, District 1 Republican Party 2003 No Party Change from 2002-2012
Alabama, District 2 Republican Party 2011 Party changed at least once between 2002-2012
Alabama, District 3 Republican Party 2003 No Party Change from 2002-2012
Alabama, District 4 Republican Party 1997 No Party Change from 2002-2012
Alabama, District 5 Republican Party 2011 Party changed at least once between 2002-2012
Alabama, District 6 Republican Party 1993 No Party Change from 2002-2012
Alabama, District 7 Democratic Party 2011 No Party Change from 2002-2012
Alaska, At-large Republican Party 1973 No Party Change from 2002-2012
Arizona, District 1 Democratic Party 2013 Party changed at least once between 2002-2012
Arizona, District 2 Democratic Party 2012 Party changed at least once between 2002-2012
Arizona, District 3 Democratic Party 2003 Party changed at least once between 2002-2012
Arizona, District 4 Republican Party 2011 Party changed at least once between 2002-2012
Arizona, District 5 Republican Party 2013 Party changed at least once between 2002-2012
Arizona, District 6 Republican Party 2011 No Party Change from 2002-2012
Arizona, District 7 Democratic Party 1991 No Party Change from 2002-2012
Arizona, District 8 Republican Party 2003 Party changed at least once between 2002-2012
Arizona, District 9 Democratic Party 2013 New district following 2010 Census
Arkansas, District 1 Republican Party 2011 Party changed at least once between 2002-2012
Arkansas, District 2 Republican Party 2011 Party changed at least once between 2002-2012
Arkansas, District 3 Republican Party 2011 No Party Change from 2002-2012
Arkansas, District 4 Republican Party 2013 Party changed at least once between 2002-2012
California, District 1 Republican Party 2013 Party changed at least once between 2002-2012
California, District 2 Democratic Party 2013 Party changed at least once between 2002-2012
California, District 3 Democratic Party 2009 Party changed at least once between 2002-2012
California, District 4 Republican Party 2009 No Party Change from 2002-2012
California, District 5 Democratic Party 1999 No Party Change from 2002-2012
California, District 6 Democratic Party 2005 No Party Change from 2002-2012
California, District 7 Democratic Party 2013 No Party Change from 2002-2012
California, District 8 Republican Party 2013 Party changed at least once between 2002-2012
California, District 9 Democratic Party 2007 No Party Change from 2002-2012
California, District 10 Republican Party 2011 Party changed at least once between 2002-2012
California, District 11 Democratic Party 1975 Party changed at least once between 2002-2012
California, District 12 Democratic Party 1987 No Party Change from 2002-2012
California, District 13 Democratic Party 1999 No Party Change from 2002-2012
California, District 14 Democratic Party 2008 No Party Change from 2002-2012
California, District 15 Democratic Party 2013 No Party Change from 2002-2012
California, District 16 Democratic Party 2005 No Party Change from 2002-2012
California, District 17 Democratic Party 2001 No Party Change from 2002-2012
California, District 18 Democratic Party 1993 No Party Change from 2002-2012
California, District 19 Democratic Party 1995 Party changed at least once between 2002-2012
California, District 20 Democratic Party 1993 No Party Change from 2002-2012
California, District 21 Republican Party 2013 No Party Change from 2002-2012
California, District 22 Republican Party 2003 No Party Change from 2002-2012
California, District 23 Republican Party 2007 Party changed at least once between 2002-2012
California, District 24 Democratic Party 1998 Party changed at least once between 2002-2012
California, District 25 Republican Party 1993 No Party Change from 2002-2012
California, District 26 Democratic Party 2013 Party changed at least once between 2002-2012
California, District 27 Democratic Party 2009 No Party Change from 2002-2012
California, District 28 Democratic Party 2001 No Party Change from 2002-2012
California, District 29 Democratic Party 1997 No Party Change from 2002-2012
California, District 30 Democratic Party 1997 No Party Change from 2002-2012
California, District 31 Republican Party 1999 Party changed at least once between 2002-2012
California, District 32 Democratic Party 1999 No Party Change from 2002-2012
California, District 33 Democratic Party 1975 No Party Change from 2002-2012
California, District 34 Democratic Party 1993 No Party Change from 2002-2012
California, District 35 Democratic Party 2013 No Party Change from 2002-2012
California, District 36 Democratic Party 2013 No Party Change from 2002-2012
California, District 37 Democratic Party 2011 No Party Change from 2002-2012
California, District 38 Democratic Party 2003 No Party Change from 2002-2012
California, District 39 Republican Party 1993 Party changed at least once between 2002-2012
California, District 40 Democratic Party 1993 Party changed at least once between 2002-2012
California, District 41 Democratic Party 2013 Party changed at least once between 2002-2012
California, District 42 Republican Party 1993 No Party Change from 2002-2012
California, District 43 Democratic Party 1991 No Party Change from 2002-2012
California, District 44 Democratic Party 2011 Party changed at least once between 2002-2012
California, District 45 Republican Party 2005 No Party Change from 2002-2012
California, District 46 Democratic Party 1997 Party changed at least once between 2002-2012
California, District 47 Democratic Party 2013 No Party Change from 2002-2012
California, District 48 Republican Party 1989 No Party Change from 2002-2012
California, District 49 Republican Party 2001 No Party Change from 2002-2012
California, District 50 Republican Party 2009 No Party Change from 2002-2012
California, District 51 Democratic Party 2013 No Party Change from 2002-2012
California, District 52 Democratic Party 2013 Party changed at least once between 2002-2012
California, District 53 Democratic Party 2001 No Party Change from 2002-2012
Colorado, District 1 Democratic Party 1997 No Party Change from 2002-2012
Colorado, District 2 Democratic Party 2009 No Party Change from 2002-2012
Colorado, District 3 Republican Party 2011 Party changed at least once between 2002-2012
Colorado, District 4 Republican Party 2011 Party changed at least once between 2002-2012
Colorado, District 5 Republican Party 2007 No Party Change from 2002-2012
Colorado, District 6 Republican Party 2009 No Party Change from 2002-2012
Colorado, District 7 Democratic Party 2007 Party changed at least once between 2002-2012
Connecticut, District 1 Democratic Party 1999 No Party Change from 2002-2012
Connecticut, District 2 Democratic Party 2007 Party changed at least once between 2002-2012
Connecticut, District 3 Democratic Party 1991 No Party Change from 2002-2012
Connecticut, District 4 Democratic Party 2009 Party changed at least once between 2002-2012
Connecticut, District 5 Democratic Party 2013 Party changed at least once between 2002-2012
Delaware Democratic Party 2011 Party changed at least once between 2002-2012
Florida, District 1 Republican Party 2001 No Party Change from 2002-2012
Florida, District 10 Republican Party 2011 No Party Change from 2002-2012
Florida, District 11 Republican Party 2011 Party changed at least once between 2002-2012
Florida, District 12 Republican Party 2007 No Party Change from 2002-2012
Florida, District 13 Republican Party 1971 No Party Change from 2002-2012
Florida, District 14 Democratic Party 2007 Party changed at least once between 2002-2012
Florida, District 15 Republican Party 2011 No Party Change from 2002-2012
Florida, District 16 Republican Party 2007 Party changed at least once between 2002-2012
Florida, District 17 Republican Party 2009 Party changed at least once between 2002-2012
Florida, District 18 Democratic Party 2013 Party changed at least once between 2002-2012
Florida, District 19 Republican Party 2013 Party changed at least once between 2002-2012
Florida, District 2 Republican Party 2011 Party changed at least once between 2002-2012
Florida, District 20 Democratic Party 1993 No Party Change from 2002-2012
Florida, District 21 Democratic Party 2010 Party changed at least once between 2002-2012
Florida, District 22 Democratic Party 2013 Party changed at least once between 2002-2012
Florida, District 23 Democratic Party 2005 No Party Change from 2002-2012
Florida, District 24 Democratic Party 2011 Party changed at least once between 2002-2012
Florida, District 25 Republican Party 2011 No Party Change from 2002-2012
Florida, District 26 Democratic Party 2013 New district following 2010 Census
Florida, District 27 Republican Party 1989 New district following 2010 Census
Florida, District 3 Republican Party 2013 Party changed at least once between 2002-2012
Florida, District 4 Republican Party 2001 No Party Change from 2002-2012
Florida, District 5 Democratic Party 1993 Party changed at least once between 2002-2012
Florida, District 6 Republican Party 2013 No Party Change from 2002-2012
Florida, District 7 Republican Party 1993 No Party Change from 2002-2012
Florida, District 8 Republican Party 2009 Party changed at least once between 2002-2012
Florida, District 9 Democratic Party 2013 Party changed at least once between 2002-2012
Georgia, District 1 Republican Party 1993 No Party Change from 2002-2012
Georgia, District 10 Republican Party 2007 No Party Change from 2002-2012
Georgia, District 11 Republican Party 2003 No Party Change from 2002-2012
Georgia, District 12 Democratic Party 2005 Party changed at least once between 2002-2012
Georgia, District 13 Democratic Party 2003 No Party Change from 2002-2012
Georgia, District 14 Republican Party 2013 New district following 2010 Census
Georgia, District 2 Democratic Party 1993 No Party Change from 2002-2012
Georgia, District 3 Republican Party 2007 Party changed at least once between 2002-2012
Georgia, District 4 Democratic Party 2007 No Party Change from 2002-2012
Georgia, District 5 Democratic Party 1987 No Party Change from 2002-2012
Georgia, District 6 Republican Party 2005 No Party Change from 2002-2012
Georgia, District 7 Republican Party 2011 No Party Change from 2002-2012
Georgia, District 8 Republican Party 2011 Party changed at least once between 2002-2012
Georgia, District 9 Republican Party 2013 No Party Change from 2002-2012
Hawaii, District 1 Democratic Party 2011 Party changed at least once between 2002-2012
Hawaii, District 2 Democratic Party 2013 No Party Change from 2002-2012
Idaho, District 1 Republican Party 2011 Party changed at least once between 2002-2012
Idaho, District 2 Republican Party 1999 No Party Change from 2002-2012
Illinois, District 1 Democratic Party 1993 No Party Change from 2002-2012
Illinois, District 2 Democratic Party No Party Change from 2002-2012
Illinois, District 3 Democratic Party 2005 No Party Change from 2002-2012
Illinois, District 4 Democratic Party 1993 No Party Change from 2002-2012
Illinois, District 5 Democratic Party 2009 No Party Change from 2002-2012
Illinois, District 6 Republican Party 2007 No Party Change from 2002-2012
Illinois, District 7 Democratic Party 1997 No Party Change from 2002-2012
Illinois, District 8 Democratic Party 2013 Party changed at least once between 2002-2012
Illinois, District 9 Democratic Party 1999 No Party Change from 2002-2012
Illinois, District 10 Democratic Party 2013 Party changed at least once between 2002-2012
Illinois, District 11 Democratic Party 2013 Party changed at least once between 2002-2012
Illinois, District 12 Democratic Party 2013 No Party Change from 2002-2012
Illinois, District 13 Republican Party 2013 No Party Change from 2002-2012
Illinois, District 14 Republican Party 2011 Party changed at least once between 2002-2012
Illinois, District 15 Republican Party 2013 No Party Change from 2002-2012
Illinois, District 16 Republican Party 2011 No Party Change from 2002-2012
Illinois, District 17 Democratic Party 2013 Party changed at least once between 2002-2012
Illinois, District 18 Republican Party 2009 No Party Change from 2002-2012
Indiana, District 1 Democratic Party 1985 No Party Change from 2002-2012
Indiana, District 2 Republican Party 2013 Party changed at least once between 2002-2012
Indiana, District 3 Republican Party 2010 No Party Change from 2002-2012
Indiana, District 4 Republican Party 2011 No Party Change from 2002-2012
Indiana, District 5 Republican Party 2013 No Party Change from 2002-2012
Indiana, District 6 Republican Party 2013 No Party Change from 2002-2012
Indiana, District 7 Democratic Party 2008 No Party Change from 2002-2012
Indiana, District 8 Republican Party 2011 Party changed at least once between 2002-2012
Indiana, District 9 Republican Party 2011 Party changed at least once between 2002-2012
Iowa, District 1 Democratic Party 2007 Party changed at least once between 2002-2012
Iowa, District 2 Democratic Party 2007 Party changed at least once between 2002-2012
Iowa, District 3 Republican Party 1995 Party changed at least once between 2002-2012
Iowa, District 4 Republican Party 2003 No Party Change from 2002-2012
Kansas, District 1 Republican Party 2011 No Party Change from 2002-2012
Kansas, District 2 Republican Party 2009 Party changed at least once between 2002-2012
Kansas, District 3 Republican Party 2011 Party changed at least once between 2002-2012
Kansas, District 4 Republican Party 2011 No Party Change from 2002-2012
Kentucky, District 1 Republican Party 1995 No Party Change from 2002-2012
Kentucky, District 2 Republican Party 2009 No Party Change from 2002-2012
Kentucky, District 3 Democratic Party 2007 Party changed at least once between 2002-2012
Kentucky, District 4 Republican Party 2013 No Party Change from 2002-2012
Kentucky, District 5 Republican Party 1981 No Party Change from 2002-2012
Kentucky, District 6 Republican Party 2013 Party changed at least once between 2002-2012
Louisiana, District 1 Republican Party 2008 No Party Change from 2002-2012
Louisiana, District 2 Democratic Party 2008 Party changed at least once between 2002-2012
Louisiana, District 3 Republican Party 2005 Party changed at least once between 2002-2012
Louisiana, District 4 Republican Party 2009 No Party Change from 2002-2012
Louisiana, District 5 Republican Party 2003 No Party Change from 2002-2012
Louisiana, District 6 Republican Party 2009 Party changed at least once between 2002-2012
Maine, District 1 Democratic Party 2009 No Party Change from 2002-2012
Maine, District 2 Democratic Party 2003 No Party Change from 2002-2012
Maryland, District 1 Republican Party 2011 Party changed at least once between 2002-2012
Maryland, District 2 Democratic Party 2003 No Party Change from 2002-2012
Maryland, District 3 Democratic Party 2007 No Party Change from 2002-2012
Maryland, District 4 Democratic Party 2008 No Party Change from 2002-2012
Maryland, District 5 Democratic Party 1981 No Party Change from 2002-2012
Maryland, District 6 Democratic Party 2013 Party changed at least once between 2002-2012
Maryland, District 7 Democratic Party 1996 No Party Change from 2002-2012
Maryland, District 8 Democratic Party 2003 No Party Change from 2002-2012
Massachusetts, District 1 Democratic Party 1989 No Party Change from 2002-2012
Massachusetts, District 2 Democratic Party 1989 No Party Change from 2002-2012
Massachusetts, District 3 Democratic Party 2007 No Party Change from 2002-2012
Massachusetts, District 4 Democratic Party 2013 No Party Change from 2002-2012
Massachusetts, District 5 Democratic Party 1976 No Party Change from 2002-2012
Massachusetts, District 6 Democratic Party 1997 No Party Change from 2002-2012
Massachusetts, District 7 Democratic Party 1999 No Party Change from 2002-2012
Massachusetts, District 8 Democratic Party 2001 No Party Change from 2002-2012
Massachusetts, District 9 Democratic Party 2011 No Party Change from 2002-2012
Michigan, District 1 Republican Party 2011 Party changed at least once between 2002-2012
Michigan, District 2 Republican Party 2011 No Party Change from 2002-2012
Michigan, District 3 Republican Party 2011 No Party Change from 2002-2012
Michigan, District 4 Republican Party 1991 No Party Change from 2002-2012
Michigan, District 5 Democratic Party 2013 No Party Change from 2002-2012
Michigan, District 6 Republican Party 1987 No Party Change from 2002-2012
Michigan, District 7 Republican Party 2011 Party changed at least once between 2002-2012
Michigan, District 8 Republican Party 2001 No Party Change from 2002-2012
Michigan, District 9 Democratic Party 1983 Party changed at least once between 2002-2012
Michigan, District 10 Republican Party 2003 No Party Change from 2002-2012
Michigan, District 11 Republican Party 2013 No Party Change from 2002-2012
Michigan, District 12 Democratic Party 2011 No Party Change from 2002-2012
Michigan, District 13 Democratic Party 1965 No Party Change from 2002-2012
Michigan, District 14 Democratic Party 2009 No Party Change from 2002-2012
Minnesota, District 1 Democratic Party 2007 Party changed at least once between 2002-2012
Minnesota, District 2 Republican Party 2003 No Party Change from 2002-2012
Minnesota, District 3 Republican Party 2009 No Party Change from 2002-2012
Minnesota, District 4 Democratic Party 2009 No Party Change from 2002-2012
Minnesota, District 5 Democratic Party 2007 No Party Change from 2002-2012
Minnesota, District 6 Republican Party 2007 No Party Change from 2002-2012
Minnesota, District 7 Democratic Party 1991 No Party Change from 2002-2012
Minnesota, District 8 Democratic Party 2013 Party changed at least once between 2002-2012
Mississippi, District 1 Republican Party 2011 Party changed at least once between 2002-2012
Mississippi, District 2 Democratic Party 2011 No Party Change from 2002-2012
Mississippi, District 3 Republican Party 2009 No Party Change from 2002-2012
Mississippi, District 4 Republican Party 2011 Party changed at least once between 2002-2012
Missouri, District 1 Democratic Party 2001 No Party Change from 2002-2012
Missouri, District 2 Republican Party 2013 No Party Change from 2002-2012
Missouri, District 3 Republican Party 2009 Party changed at least once between 2002-2012
Missouri, District 4 Republican Party 2011 Party changed at least once between 2002-2012
Missouri, District 5 Democratic Party 2004 No Party Change from 2002-2012
Missouri, District 6 Republican Party 2001 No Party Change from 2002-2012
Missouri, District 7 Republican Party 2011 No Party Change from 2002-2012
Missouri, District 8 Republican Party 1996 No Party Change from 2002-2012
Montana, At-large District Republican Party 2013 No Party Change from 2002-2012
Nebraska, District 1 Republican Party 2005 No Party Change from 2002-2012
Nebraska, District 2 Republican Party 1999 No Party Change from 2002-2012
Nebraska, District 3 Republican Party 2007 No Party Change from 2002-2012
Nevada, District 1 Democratic Party 2013 No Party Change from 2002-2012
Nevada, District 2 Republican Party 2011 No Party Change from 2002-2012
Nevada, District 3 Republican Party 2011 Party changed at least once between 2002-2012
Nevada, District 4 Democratic Party 2013 New district following 2010 Census
New Hampshire, District 1 Democratic Party 2013 Party changed at least once between 2002-2012
New Hampshire, District 2 Democratic Party 2013 Party changed at least once between 2002-2012
New Jersey, District 1 Democratic Party 1990 No Party Change from 2002-2012
New Jersey, District 2 Republican Party 1995 No Party Change from 2002-2012
New Jersey, District 3 Republican Party 2011 Party changed at least once between 2002-2012
New Jersey, District 4 Republican Party 1981 No Party Change from 2002-2012
New Jersey, District 5 Republican Party 2003 No Party Change from 2002-2012
New Jersey, District 6 Democratic Party 1993 No Party Change from 2002-2012
New Jersey, District 7 Republican Party 2009 No Party Change from 2002-2012
New Jersey, District 8 Democratic Party 2006 No Party Change from 2002-2012
New Jersey, District 9 Democratic Party 1997 No Party Change from 2002-2012
New Jersey, District 10 Democratic Party 2013 No Party Change from 2002-2012
New Jersey, District 11 Republican Party 1995 No Party Change from 2002-2012
New Jersey, District 12 Democratic Party 1999 No Party Change from 2002-2012
New Mexico, District 1 Democratic Party 2013 Party changed at least once between 2002-2012
New Mexico, District 2 Republican Party 2011 Party changed at least once between 2002-2012
New Mexico, District 3 Democratic Party 2009 No Party Change from 2002-2012
New York, District 1 Democratic Party 2003 No Party Change from 2002-2012
New York, District 2 Republican Party 1993 Party changed at least once between 2002-2012
New York, District 3 Democratic Party 2013 Party changed at least once between 2002-2012
New York, District 4 Democratic Party 1997 No Party Change from 2002-2012
New York, District 5 Democratic Party 1998 No Party Change from 2002-2012
New York, District 6 Democratic Party 2013 No Party Change from 2002-2012
New York, District 7 Democratic Party 1993 No Party Change from 2002-2012
New York, District 8 Democratic Party 2013 No Party Change from 2002-2012
New York, District 9 Democratic Party 2007 Party changed at least once between 2002-2012
New York, District 10 Democratic Party 1993 No Party Change from 2002-2012
New York, District 11 Republican Party 2011 Party changed at least once between 2002-2012
New York, District 12 Democratic Party 1993 No Party Change from 2002-2012
New York, District 13 Democratic Party 1971 Party changed at least once between 2002-2012
New York, District 14 Democratic Party 1999 No Party Change from 2002-2012
New York, District 15 Democratic Party 1973 No Party Change from 2002-2012
New York, District 16 Democratic Party 1989 No Party Change from 2002-2012
New York, District 17 Democratic Party 1989 No Party Change from 2002-2012
New York, District 18 Democratic Party 2013 No Party Change from 2002-2012
New York, District 19 Republican Party 2011 Party changed at least once between 2002-2012
New York, District 20 Democratic Party 2009 Party changed at least once between 2002-2012
New York, District 21 Democratic Party 2009 No Party Change from 2002-2012
New York, District 22 Republican Party 2011 Party changed at least once between 2002-2012
New York, District 23 Republican Party 2010 Party changed at least once between 2002-2012
New York, District 24 Democratic Party 2013 Party changed at least once between 2002-2012
New York, District 25 Democratic Party 1987 Party changed at least once between 2002-2012
New York, District 26 Democratic Party 2005 Party changed at least once between 2002-2012
New York, District 27 Republican Party 2013 No Party Change from 2002-2012
North Carolina, District 1 Democratic Party 2004 No Party Change from 2002-2012
North Carolina, District 2 Republican Party 2011 Party changed at least once between 2002-2012
North Carolina, District 3 Republican Party 1995 No Party Change from 2002-2012
North Carolina, District 4 Democratic Party 1997 No Party Change from 2002-2012
North Carolina, District 5 Republican Party 2005 No Party Change from 2002-2012
North Carolina, District 6 Republican Party 1985 No Party Change from 2002-2012
North Carolina, District 7 Democratic Party 1997 No Party Change from 2002-2012
North Carolina, District 8 Republican Party 2013 Party changed at least once between 2002-2012
North Carolina, District 9 Republican Party 2013 No Party Change from 2002-2012
North Carolina, District 10 Republican Party 2005 No Party Change from 2002-2012
North Carolina, District 11 Republican Party 2013 Party changed at least once between 2002-2012
North Carolina, District 12 Democratic Party 1993 No Party Change from 2002-2012
North Carolina, District 13 Republican Party 2013 Party changed at least once between 2002-2012
North Dakota Republican Party 2013 Party changed at least once between 2002-2012
Ohio, District 1 Republican Party 2011 Party changed at least once between 2002-2012
Ohio, District 2 Republican Party 2013 No Party Change from 2002-2012
Ohio, District 3 Democratic Party 2013 Party changed at least once between 2002-2012
Ohio, District 4 Republican Party 2007 No Party Change from 2002-2012
Ohio, District 5 Republican Party 2007 No Party Change from 2002-2012
Ohio, District 6 Republican Party 2011 Party changed at least once between 2002-2012
Ohio, District 7 Republican Party 2011 No Party Change from 2002-2012
Ohio, District 8 Republican Party 1991 No Party Change from 2002-2012
Ohio, District 9 Democratic Party 1983 No Party Change from 2002-2012
Ohio, District 10 Republican Party 2003 Party changed at least once between 2002-2012
Ohio, District 11 Democratic Party 2009 No Party Change from 2002-2012
Ohio, District 12 Republican Party 2000 No Party Change from 2002-2012
Ohio, District 13 Democratic Party 2003 No Party Change from 2002-2012
Ohio, District 14 Republican Party 2013 No Party Change from 2002-2012
Ohio, District 15 Republican Party 2011 Party changed at least once between 2002-2012
Ohio, District 16 Republican Party 2011 Party changed at least once between 2002-2012
Oklahoma, District 1 Republican Party 2013 No Party Change from 2002-2012
Oklahoma, District 2 Republican Party 2013 Party changed at least once between 2002-2012
Oklahoma, District 3 Republican Party 1994 No Party Change from 2002-2012
Oklahoma, District 4 Republican Party 2003 No Party Change from 2002-2012
Oklahoma, District 5 Republican Party 2011 No Party Change from 2002-2012
Oregon, District 1 Democratic Party 2012 No Party Change from 2002-2012
Oregon, District 2 Republican Party 1999 No Party Change from 2002-2012
Oregon, District 3 Democratic Party 1996 No Party Change from 2002-2012
Oregon, District 4 Democratic Party 1987 No Party Change from 2002-2012
Oregon, District 5 Democratic Party 2009 No Party Change from 2002-2012
Pennsylvania, District 1 Democratic Party 1998 No Party Change from 2002-2012
Pennsylvania, District 2 Democratic Party 1995 No Party Change from 2002-2012
Pennsylvania, District 3 Republican Party 2011 Party changed at least once between 2002-2012
Pennsylvania, District 4 Republican Party 2013 Party changed at least once between 2002-2012
Pennsylvania, District 5 Republican Party 2009 No Party Change from 2002-2012
Pennsylvania, District 6 Republican Party 2003 No Party Change from 2002-2012
Pennsylvania, District 7 Republican Party 2011 Party changed at least once between 2002-2012
Pennsylvania, District 8 Republican Party 2011 Party changed at least once between 2002-2012
Pennsylvania, District 9 Republican Party 2001 No Party Change from 2002-2012
Pennsylvania, District 10 Republican Party 2011 Party changed at least once between 2002-2012
Pennsylvania, District 11 Republican Party 2011 Party changed at least once between 2002-2012
Pennsylvania, District 12 Republican Party 2013 Party changed at least once between 2002-2012
Pennsylvania, District 13 Democratic Party 2005 No Party Change from 2002-2012
Pennsylvania, District 14 Democratic Party 1995 No Party Change from 2002-2012
Pennsylvania, District 15 Republican Party 2005 No Party Change from 2002-2012
Pennsylvania, District 16 Republican Party 1997 No Party Change from 2002-2012
Pennsylvania, District 17 Democratic Party 2013 No Party Change from 2002-2012
Pennsylvania, District 18 Republican Party 2003 No Party Change from 2002-2012
Rhode Island, District 1 Democratic Party 2011 No Party Change from 2002-2012
Rhode Island, District 2 Democratic Party 2001 No Party Change from 2002-2012
South Carolina, District 1 Republican Party 2011 No Party Change from 2002-2012
South Carolina, District 2 Republican Party 2001 No Party Change from 2002-2012
South Carolina, District 3 Republican Party 2011 No Party Change from 2002-2012
South Carolina, District 4 Republican Party 2011 No Party Change from 2002-2012
South Carolina, District 5 Republican Party 2011 Party changed at least once between 2002-2012
South Carolina, District 6 Democratic Party 1993 No Party Change from 2002-2012
South Carolina, District 7 Republican Party 2013 New district following 2010 Census
South Dakota Republican Party 2011 Party changed at least once between 2002-2012
Tennessee, District 1 Republican Party 2009 No Party Change from 2002-2012
Tennessee, District 2 Republican Party 1989 No Party Change from 2002-2012
Tennessee, District 3 Republican Party 2011 No Party Change from 2002-2012
Tennessee, District 4 Republican Party 2011 Party changed at least once between 2002-2012
Tennessee, District 5 Democratic Party 2003 No Party Change from 2002-2012
Tennessee, District 6 Republican Party 2011 Party changed at least once between 2002-2012
Tennessee, District 7 Republican Party 2003 No Party Change from 2002-2012
Tennessee, District 8 Republican Party 2011 Party changed at least once between 2002-2012
Tennessee, District 9 Democratic Party 2007 No Party Change from 2002-2012
Texas, District 1 Republican Party 2005 Party changed at least once between 2002-2012
Texas, District 2 Republican Party 2005 No Party Change from 2002-2012
Texas, District 3 Republican Party 1991 No Party Change from 2002-2012
Texas, District 4 Republican Party 1981 No Party Change from 2002-2012
Texas, District 5 Republican Party 2003 No Party Change from 2002-2012
Texas, District 6 Republican Party 1985 No Party Change from 2002-2012
Texas, District 7 Republican Party 2001 No Party Change from 2002-2012
Texas, District 8 Republican Party 1997 No Party Change from 2002-2012
Texas, District 9 Democratic Party 2005 No Party Change from 2002-2012
Texas, District 10 Republican Party 2005 Party changed at least once between 2002-2012
Texas, District 11 Republican Party 2005 Party changed at least once between 2002-2012
Texas, District 12 Republican Party 1997 No Party Change from 2002-2012
Texas, District 13 Republican Party 1995 No Party Change from 2002-2012
Texas, District 14 Republican Party 2013 No Party Change from 2002-2012
Texas, District 15 Democratic Party 1997 No Party Change from 2002-2012
Texas, District 16 Democratic Party 2013 No Party Change from 2002-2012
Texas, District 17 Republican Party 2011 Party changed at least once between 2002-2012
Texas, District 18 Democratic Party 1995 No Party Change from 2002-2012
Texas, District 19 Republican Party 2003 No Party Change from 2002-2012
Texas, District 20 Democratic Party 2013 No Party Change from 2002-2012
Texas, District 21 Republican Party 1987 No Party Change from 2002-2012
Texas, District 22 Republican Party 2009 Party changed at least once between 2002-2012
Texas, District 23 Democratic Party 2013 Party changed at least once between 2002-2012
Texas, District 24 Republican Party 2005 Party changed at least once between 2002-2012
Texas, District 25 Republican Party 2013 Party changed at least once between 2002-2012
Texas, District 26 Republican Party 2003 No Party Change from 2002-2012
Texas, District 27 Republican Party 2011 Party changed at least once between 2002-2012
Texas, District 28 Democratic Party 2005 No Party Change from 2002-2012
Texas, District 29 Democratic Party 1993 No Party Change from 2002-2012
Texas, District 30 Democratic Party 1993 No Party Change from 2002-2012
Texas, District 31 Republican Party 2003 No Party Change from 2002-2012
Texas, District 32 Republican Party 2003 No Party Change from 2002-2012
Texas, District 33 Democratic Party 2013 New district following 2010 Census
Texas, District 34 Democratic Party 2013 New district following 2010 Census
Texas, District 35 Democratic Party 1995 New district following 2010 Census
Texas, District 36 Republican Party 2013 New district following 2010 Census
Utah, District 1 Republican Party 2003 No Party Change from 2002-2012
Utah, District 2 Republican Party 2013 Party changed at least once between 2002-2012
Utah, District 3 Republican Party 2009 No Party Change from 2002-2012
Utah, District 4 Democratic Party 2001 New district following 2010 Census
Vermont, At-Large Democratic Party 2007 Party changed at least once between 2002-2012
Virginia, District 1 Republican Party 2007 No Party Change from 2002-2012
Virginia, District 2 Republican Party 2011 Party changed at least once between 2002-2012
Virginia, District 3 Democratic Party 1993 No Party Change from 2002-2012
Virginia, District 4 Republican Party 2001 No Party Change from 2002-2012
Virginia, District 5 Republican Party 2011 Party changed at least once between 2002-2012
Virginia, District 6 Republican Party 1993 No Party Change from 2002-2012
Virginia, District 7 Republican Party 2001 No Party Change from 2002-2012
Virginia, District 8 Democratic Party 1991 No Party Change from 2002-2012
Virginia, District 9 Republican Party 2011 Party changed at least once between 2002-2012
Virginia, District 10 Republican Party 1981 No Party Change from 2002-2012
Virginia, District 11 Democratic Party 2009 No Party Change from 2002-2012
Washington, District 1 Democratic Party 2012 No Party Change from 2002-2012
Washington, District 2 Democratic Party 2001 No Party Change from 2002-2012
Washington, District 3 Republican Party 2011 Party changed at least once between 2002-2012
Washington, District 4 Republican Party 1995 No Party Change from 2002-2012
Washington, District 5 Republican Party 2005 No Party Change from 2002-2012
Washington, District 6 Democratic Party 2013 No Party Change from 2002-2012
Washington, District 7 Democratic Party 1989 No Party Change from 2002-2012
Washington, District 8 Republican Party 2005 No Party Change from 2002-2012
Washington, District 9 Democratic Party 1997 No Party Change from 2002-2012
Washington, District 10 Democratic Party 2013 New district following 2010 Census
West Virginia, District 1 Republican Party 2011 Party changed at least once between 2002-2012
West Virginia, District 2 Republican Party 2001 No Party Change from 2002-2012
West Virginia, District 3 Democratic Party 1993 No Party Change from 2002-2012
Wisconsin, District 1 Republican Party 1999 No Party Change from 2002-2012
Wisconsin, District 2 Democratic Party 2013 No Party Change from 2002-2012
Wisconsin, District 3 Democratic Party 1997 No Party Change from 2002-2012
Wisconsin, District 4 Democratic Party 2005 No Party Change from 2002-2012
Wisconsin, District 5 Republican Party 1979 No Party Change from 2002-2012
Wisconsin, District 6 Republican Party 1979 No Party Change from 2002-2012
Wisconsin, District 7 Republican Party 2011 Party changed at least once between 2002-2012
Wisconsin, District 8 Republican Party 2011 Party changed at least once between 2002-2012
Wyoming, At-Large Republican Party 2009 No Party Change from 2002-2012

Incumbent Faced Primary

This table highlights the districts in which an incumbent ran for re-election and did face a challenger in the primary.

Legend:      Incumbent Did Face Primary Opponent





Did the US House incumbent face a primary opponent?
District Party Incumbent Took Office Party Change in Last 10 years? 2012 2010 2008 2006 2004
Alabama, District 1 Republican Party 2003 No Party Change from 2002-2012
Alabama, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
Alabama, District 3 Republican Party 2003 No Party Change from 2002-2012
Alabama, District 4 Republican Party 1997 No Party Change from 2002-2012
Alabama, District 5 Republican Party 2011 Party Changed at least once between 2002-2012
Alabama, District 6 Republican Party 1993 No Party Change from 2002-2012
Alabama, District 7 Democratic Party 2011 No Party Change from 2002-2012
Alaska, At-large Republican Party 1973 No Party Change from 2002-2012
Arizona, District 1 Democratic Party 2013 Party Changed at least once between 2002-2012
Arizona, District 2 Democratic Party 2012 Party Changed at least once between 2002-2012
Arizona, District 3 Democratic Party 2003 Party Changed at least once between 2002-2012
Arizona, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Arizona, District 5 Republican Party 2013 Party Changed at least once between 2002-2012
Arizona, District 6 Republican Party 2011 No Party Change from 2002-2012
Arizona, District 7 Democratic Party 1991 No Party Change from 2002-2012
Arizona, District 8 Republican Party 2003 Party Changed at least once between 2002-2012
Arizona, District 9 Democratic Party 2013 New district following 2010 Census
Arkansas, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Arkansas, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
Arkansas, District 3 Republican Party 2011 No Party Change from 2002-2012
Arkansas, District 4 Republican Party 2013 Party Changed at least once between 2002-2012
California, District 1 Republican Party 2013 Party Changed at least once between 2002-2012
California, District 2 Democratic Party 2013 Party Changed at least once between 2002-2012
California, District 3 Democratic Party 2009 Party Changed at least once between 2002-2012
California, District 4 Republican Party 2009 No Party Change from 2002-2012
California, District 5 Democratic Party 1999 No Party Change from 2002-2012
California, District 6 Democratic Party 2005 No Party Change from 2002-2012
California, District 7 Democratic Party 2013 No Party Change from 2002-2012
California, District 8 Republican Party 2013 Party Changed at least once between 2002-2012
California, District 9 Democratic Party 2007 No Party Change from 2002-2012
California, District 10 Republican Party 2011 Party Changed at least once between 2002-2012
California, District 11 Democratic Party 1975 Party Changed at least once between 2002-2012
California, District 12 Democratic Party 1987 No Party Change from 2002-2012
California, District 13 Democratic Party 1999 No Party Change from 2002-2012
California, District 14 Democratic Party 2008 No Party Change from 2002-2012
California, District 15 Democratic Party 2013 No Party Change from 2002-2012
California, District 16 Democratic Party 2005 No Party Change from 2002-2012
California, District 17 Democratic Party 2001 No Party Change from 2002-2012
California, District 18 Democratic Party 1993 No Party Change from 2002-2012
California, District 19 Democratic Party 1995 Party Changed at least once between 2002-2012
California, District 20 Democratic Party 1993 No Party Change from 2002-2012
California, District 21 Republican Party 2013 No Party Change from 2002-2012
California, District 22 Republican Party 2003 No Party Change from 2002-2012
California, District 23 Republican Party 2007 Party Changed at least once between 2002-2012
California, District 24 Democratic Party 1998 Party Changed at least once between 2002-2012
California, District 25 Republican Party 1993 No Party Change from 2002-2012
California, District 26 Democratic Party 2013 Party Changed at least once between 2002-2012
California, District 27 Democratic Party 2009 No Party Change from 2002-2012
California, District 28 Democratic Party 2001 No Party Change from 2002-2012
California, District 29 Democratic Party 1997 No Party Change from 2002-2012
California, District 30 Democratic Party 1997 No Party Change from 2002-2012
California, District 31 Republican Party 1999 Party Changed at least once between 2002-2012
California, District 32 Democratic Party 1999 No Party Change from 2002-2012
California, District 33 Democratic Party 1975 No Party Change from 2002-2012
California, District 34 Democratic Party 1993 No Party Change from 2002-2012
California, District 35 Democratic Party 2013 No Party Change from 2002-2012
California, District 36 Democratic Party 2013 No Party Change from 2002-2012
California, District 37 Democratic Party 2011 No Party Change from 2002-2012
California, District 38 Democratic Party 2003 No Party Change from 2002-2012
California, District 39 Republican Party 1993 Party Changed at least once between 2002-2012
California, District 40 Democratic Party 1993 Party Changed at least once between 2002-2012
California, District 41 Democratic Party 2013 Party Changed at least once between 2002-2012
California, District 42 Republican Party 1993 No Party Change from 2002-2012
California, District 43 Democratic Party 1991 No Party Change from 2002-2012
California, District 44 Democratic Party 2011 Party Changed at least once between 2002-2012
California, District 45 Republican Party 2005 No Party Change from 2002-2012
California, District 46 Democratic Party 1997 Party Changed at least once between 2002-2012
California, District 47 Democratic Party 2013 No Party Change from 2002-2012
California, District 48 Republican Party 1989 No Party Change from 2002-2012
California, District 49 Republican Party 2001 No Party Change from 2002-2012
California, District 50 Republican Party 2009 No Party Change from 2002-2012
California, District 51 Democratic Party 2013 No Party Change from 2002-2012
California, District 52 Democratic Party 2013 Party Changed at least once between 2002-2012
California, District 53 Democratic Party 2001 No Party Change from 2002-2012
Colorado, District 1 Democratic Party 1997 No Party Change from 2002-2012
Colorado, District 2 Democratic Party 2009 No Party Change from 2002-2012
Colorado, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Colorado, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Colorado, District 5 Republican Party 2007 No Party Change from 2002-2012
Colorado, District 6 Republican Party 2009 No Party Change from 2002-2012
Colorado, District 7 Democratic Party 2007 Party Changed at least once between 2002-2012
Connecticut, District 1 Democratic Party 1999 No Party Change from 2002-2012
Connecticut, District 2 Democratic Party 2007 Party Changed at least once between 2002-2012
Connecticut, District 3 Democratic Party 1991 No Party Change from 2002-2012
Connecticut, District 4 Democratic Party 2009 Party Changed at least once between 2002-2012
Connecticut, District 5 Democratic Party 2013 Party Changed at least once between 2002-2012
Delaware Democratic Party 2011 Party Changed at least once between 2002-2012
Florida, District 1 Republican Party 2001 No Party Change from 2002-2012
Florida, District 10 Republican Party 2011 No Party Change from 2002-2012
Florida, District 11 Republican Party 2011 Party Changed at least once between 2002-2012
Florida, District 12 Republican Party 2007 No Party Change from 2002-2012
Florida, District 13 Republican Party 1971 No Party Change from 2002-2012
Florida, District 14 Democratic Party 2007 Party Changed at least once between 2002-2012
Florida, District 15 Republican Party 2011 No Party Change from 2002-2012
Florida, District 16 Republican Party 2007 Party Changed at least once between 2002-2012
Florida, District 17 Republican Party 2009 Party Changed at least once between 2002-2012
Florida, District 18 Democratic Party 2013 Party Changed at least once between 2002-2012
Florida, District 19 Republican Party 2013 Party Changed at least once between 2002-2012
Florida, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
Florida, District 20 Democratic Party 1993 No Party Change from 2002-2012
Florida, District 21 Democratic Party 2010 Party Changed at least once between 2002-2012
Florida, District 22 Democratic Party 2013 Party Changed at least once between 2002-2012
Florida, District 23 Democratic Party 2005 No Party Change from 2002-2012
Florida, District 24 Democratic Party 2011 Party Changed at least once between 2002-2012
Florida, District 25 Republican Party 2011 No Party Change from 2002-2012
Florida, District 26 Democratic Party 2013 New district following 2010 Census
Florida, District 27 Republican Party 1989 New district following 2010 Census
Florida, District 3 Republican Party 2013 Party Changed at least once between 2002-2012
Florida, District 4 Republican Party 2001 No Party Change from 2002-2012
Florida, District 5 Democratic Party 1993 Party Changed at least once between 2002-2012
Florida, District 6 Republican Party 2013 No Party Change from 2002-2012
Florida, District 7 Republican Party 1993 No Party Change from 2002-2012
Florida, District 8 Republican Party 2009 Party Changed at least once between 2002-2012
Florida, District 9 Democratic Party 2013 Party Changed at least once between 2002-2012
Georgia, District 1 Republican Party 1993 No Party Change from 2002-2012
Georgia, District 10 Republican Party 2007 No Party Change from 2002-2012
Georgia, District 11 Republican Party 2003 No Party Change from 2002-2012
Georgia, District 12 Democratic Party 2005 Party Changed at least once between 2002-2012
Georgia, District 13 Democratic Party 2003 No Party Change from 2002-2012
Georgia, District 14 Republican Party 2013 New district following 2010 Census
Georgia, District 2 Democratic Party 1993 No Party Change from 2002-2012
Georgia, District 3 Republican Party 2007 Party Changed at least once between 2002-2012
Georgia, District 4 Democratic Party 2007 No Party Change from 2002-2012
Georgia, District 5 Democratic Party 1987 No Party Change from 2002-2012
Georgia, District 6 Republican Party 2005 No Party Change from 2002-2012
Georgia, District 7 Republican Party 2011 No Party Change from 2002-2012
Georgia, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Georgia, District 9 Republican Party 2013 No Party Change from 2002-2012
Hawaii, District 1 Democratic Party 2011 Party Changed at least once between 2002-2012
Hawaii, District 2 Democratic Party 2013 No Party Change from 2002-2012
Idaho, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Idaho, District 2 Republican Party 1999 No Party Change from 2002-2012
Illinois, District 1 Democratic Party 1993 No Party Change from 2002-2012
Illinois, District 2 Democratic Party No Party Change from 2002-2012
Illinois, District 3 Democratic Party 2005 No Party Change from 2002-2012
Illinois, District 4 Democratic Party 1993 No Party Change from 2002-2012
Illinois, District 5 Democratic Party 2009 No Party Change from 2002-2012
Illinois, District 6 Republican Party 2007 No Party Change from 2002-2012
Illinois, District 7 Democratic Party 1997 No Party Change from 2002-2012
Illinois, District 8 Democratic Party 2013 Party Changed at least once between 2002-2012
Illinois, District 9 Democratic Party 1999 No Party Change from 2002-2012
Illinois, District 10 Democratic Party 2013 Party Changed at least once between 2002-2012
Illinois, District 11 Democratic Party 2013 Party Changed at least once between 2002-2012
Illinois, District 12 Democratic Party 2013 No Party Change from 2002-2012
Illinois, District 13 Republican Party 2013 No Party Change from 2002-2012
Illinois, District 14 Republican Party 2011 Party Changed at least once between 2002-2012
Illinois, District 15 Republican Party 2013 No Party Change from 2002-2012
Illinois, District 16 Republican Party 2011 No Party Change from 2002-2012
Illinois, District 17 Democratic Party 2013 Party Changed at least once between 2002-2012
Illinois, District 18 Republican Party 2009 No Party Change from 2002-2012
Indiana, District 1 Democratic Party 1985 No Party Change from 2002-2012
Indiana, District 2 Republican Party 2013 Party Changed at least once between 2002-2012
Indiana, District 3 Republican Party 2010 No Party Change from 2002-2012
Indiana, District 4 Republican Party 2011 No Party Change from 2002-2012
Indiana, District 5 Republican Party 2013 No Party Change from 2002-2012
Indiana, District 6 Republican Party 2013 No Party Change from 2002-2012
Indiana, District 7 Democratic Party 2008 No Party Change from 2002-2012
Indiana, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Indiana, District 9 Republican Party 2011 Party Changed at least once between 2002-2012
Iowa, District 1 Democratic Party 2007 Party Changed at least once between 2002-2012
Iowa, District 2 Democratic Party 2007 Party Changed at least once between 2002-2012
Iowa, District 3 Republican Party 1995 Party Changed at least once between 2002-2012
Iowa, District 4 Republican Party 2003 No Party Change from 2002-2012
Kansas, District 1 Republican Party 2011 No Party Change from 2002-2012
Kansas, District 2 Republican Party 2009 Party Changed at least once between 2002-2012
Kansas, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Kansas, District 4 Republican Party 2011 No Party Change from 2002-2012
Kentucky, District 1 Republican Party 1995 No Party Change from 2002-2012
Kentucky, District 2 Republican Party 2009 No Party Change from 2002-2012
Kentucky, District 3 Democratic Party 2007 Party Changed at least once between 2002-2012
Kentucky, District 4 Republican Party 2013 No Party Change from 2002-2012
Kentucky, District 5 Republican Party 1981 No Party Change from 2002-2012
Kentucky, District 6 Republican Party 2013 Party Changed at least once between 2002-2012
Louisiana, District 1 Republican Party 2008 No Party Change from 2002-2012
Louisiana, District 2 Democratic Party 2008 Party Changed at least once between 2002-2012
Louisiana, District 3 Republican Party 2005 Party Changed at least once between 2002-2012
Louisiana, District 4 Republican Party 2009 No Party Change from 2002-2012
Louisiana, District 5 Republican Party 2003 No Party Change from 2002-2012
Louisiana, District 6 Republican Party 2009 Party Changed at least once between 2002-2012
Maine, District 1 Democratic Party 2009 No Party Change from 2002-2012
Maine, District 2 Democratic Party 2003 No Party Change from 2002-2012
Maryland, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Maryland, District 2 Democratic Party 2003 No Party Change from 2002-2012
Maryland, District 3 Democratic Party 2007 No Party Change from 2002-2012
Maryland, District 4 Democratic Party 2008 No Party Change from 2002-2012
Maryland, District 5 Democratic Party 1981 No Party Change from 2002-2012
Maryland, District 6 Democratic Party 2013 Party Changed at least once between 2002-2012
Maryland, District 7 Democratic Party 1996 No Party Change from 2002-2012
Maryland, District 8 Democratic Party 2003 No Party Change from 2002-2012
Massachusetts, District 1 Democratic Party 1989 No Party Change from 2002-2012
Massachusetts, District 2 Democratic Party 1989 No Party Change from 2002-2012
Massachusetts, District 3 Democratic Party 2007 No Party Change from 2002-2012
Massachusetts, District 4 Democratic Party 2013 No Party Change from 2002-2012
Massachusetts, District 5 Democratic Party 1976 No Party Change from 2002-2012
Massachusetts, District 6 Democratic Party 1997 No Party Change from 2002-2012
Massachusetts, District 7 Democratic Party 1999 No Party Change from 2002-2012
Massachusetts, District 8 Democratic Party 2001 No Party Change from 2002-2012
Massachusetts, District 9 Democratic Party 2011 No Party Change from 2002-2012
Michigan, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Michigan, District 2 Republican Party 2011 No Party Change from 2002-2012
Michigan, District 3 Republican Party 2011 No Party Change from 2002-2012
Michigan, District 4 Republican Party 1991 No Party Change from 2002-2012
Michigan, District 5 Democratic Party 2013 No Party Change from 2002-2012
Michigan, District 6 Republican Party 1987 No Party Change from 2002-2012
Michigan, District 7 Republican Party 2011 Party Changed at least once between 2002-2012
Michigan, District 8 Republican Party 2001 No Party Change from 2002-2012
Michigan, District 9 Democratic Party 1983 Party Changed at least once between 2002-2012
Michigan, District 10 Republican Party 2003 No Party Change from 2002-2012
Michigan, District 11 Republican Party 2013 No Party Change from 2002-2012
Michigan, District 12 Democratic Party 2011 No Party Change from 2002-2012
Michigan, District 13 Democratic Party 1965 No Party Change from 2002-2012
Michigan, District 14 Democratic Party 2009 No Party Change from 2002-2012
Minnesota, District 1 Democratic Party 2007 Party Changed at least once between 2002-2012
Minnesota, District 2 Republican Party 2003 No Party Change from 2002-2012
Minnesota, District 3 Republican Party 2009 No Party Change from 2002-2012
Minnesota, District 4 Democratic Party 2009 No Party Change from 2002-2012
Minnesota, District 5 Democratic Party 2007 No Party Change from 2002-2012
Minnesota, District 6 Republican Party 2007 No Party Change from 2002-2012
Minnesota, District 7 Democratic Party 1991 No Party Change from 2002-2012
Minnesota, District 8 Democratic Party 2013 Party Changed at least once between 2002-2012
Mississippi, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Mississippi, District 2 Democratic Party 2011 No Party Change from 2002-2012
Mississippi, District 3 Republican Party 2009 No Party Change from 2002-2012
Mississippi, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Missouri, District 1 Democratic Party 2001 No Party Change from 2002-2012
Missouri, District 2 Republican Party 2013 No Party Change from 2002-2012
Missouri, District 3 Republican Party 2009 Party Changed at least once between 2002-2012
Missouri, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Missouri, District 5 Democratic Party 2004 No Party Change from 2002-2012
Missouri, District 6 Republican Party 2001 No Party Change from 2002-2012
Missouri, District 7 Republican Party 2011 No Party Change from 2002-2012
Missouri, District 8 Republican Party 1996 No Party Change from 2002-2012
Montana, At-large District Republican Party 2013 No Party Change from 2002-2012
Nebraska, District 1 Republican Party 2005 No Party Change from 2002-2012
Nebraska, District 2 Republican Party 1999 No Party Change from 2002-2012
Nebraska, District 3 Republican Party 2007 No Party Change from 2002-2012
Nevada, District 1 Democratic Party 2013 No Party Change from 2002-2012
Nevada, District 2 Republican Party 2011 No Party Change from 2002-2012
Nevada, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Nevada, District 4 Democratic Party 2013 New district following 2010 Census
New Hampshire, District 1 Democratic Party 2013 Party Changed at least once between 2002-2012
New Hampshire, District 2 Democratic Party 2013 Party Changed at least once between 2002-2012
New Jersey, District 1 Democratic Party 1990 No Party Change from 2002-2012
New Jersey, District 2 Republican Party 1995 No Party Change from 2002-2012
New Jersey, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
New Jersey, District 4 Republican Party 1981 No Party Change from 2002-2012
New Jersey, District 5 Republican Party 2003 No Party Change from 2002-2012
New Jersey, District 6 Democratic Party 1993 No Party Change from 2002-2012
New Jersey, District 7 Republican Party 2009 No Party Change from 2002-2012
New Jersey, District 8 Democratic Party 2006 No Party Change from 2002-2012
New Jersey, District 9 Democratic Party 1997 No Party Change from 2002-2012
New Jersey, District 10 Democratic Party 2013 No Party Change from 2002-2012
New Jersey, District 11 Republican Party 1995 No Party Change from 2002-2012
New Jersey, District 12 Democratic Party 1999 No Party Change from 2002-2012
New Mexico, District 1 Democratic Party 2013 Party Changed at least once between 2002-2012
New Mexico, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
New Mexico, District 3 Democratic Party 2009 No Party Change from 2002-2012
New York, District 1 Democratic Party 2003 No Party Change from 2002-2012
New York, District 2 Republican Party 1993 Party Changed at least once between 2002-2012
New York, District 3 Democratic Party 2013 Party Changed at least once between 2002-2012
New York, District 4 Democratic Party 1997 No Party Change from 2002-2012
New York, District 5 Democratic Party 1998 No Party Change from 2002-2012
New York, District 6 Democratic Party 2013 No Party Change from 2002-2012
New York, District 7 Democratic Party 1993 No Party Change from 2002-2012
New York, District 8 Democratic Party 2013 No Party Change from 2002-2012
New York, District 9 Democratic Party 2007 Party Changed at least once between 2002-2012
New York, District 10 Democratic Party 1993 No Party Change from 2002-2012
New York, District 11 Republican Party 2011 Party Changed at least once between 2002-2012
New York, District 12 Democratic Party 1993 No Party Change from 2002-2012
New York, District 13 Democratic Party 1971 Party Changed at least once between 2002-2012
New York, District 14 Democratic Party 1999 No Party Change from 2002-2012
New York, District 15 Democratic Party 1973 No Party Change from 2002-2012
New York, District 16 Democratic Party 1989 No Party Change from 2002-2012
New York, District 17 Democratic Party 1989 No Party Change from 2002-2012
New York, District 18 Democratic Party 2013 No Party Change from 2002-2012
New York, District 19 Republican Party 2011 Party Changed at least once between 2002-2012
New York, District 20 Democratic Party 2009 Party Changed at least once between 2002-2012
New York, District 21 Democratic Party 2009 No Party Change from 2002-2012
New York, District 22 Republican Party 2011 Party Changed at least once between 2002-2012
New York, District 23 Republican Party 2010 Party Changed at least once between 2002-2012
New York, District 24 Democratic Party 2013 Party Changed at least once between 2002-2012
New York, District 25 Democratic Party 1987 Party Changed at least once between 2002-2012
New York, District 26 Democratic Party 2005 Party Changed at least once between 2002-2012
New York, District 27 Republican Party 2013 No Party Change from 2002-2012
North Carolina, District 1 Democratic Party 2004 No Party Change from 2002-2012
North Carolina, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
North Carolina, District 3 Republican Party 1995 No Party Change from 2002-2012
North Carolina, District 4 Democratic Party 1997 No Party Change from 2002-2012
North Carolina, District 5 Republican Party 2005 No Party Change from 2002-2012
North Carolina, District 6 Republican Party 1985 No Party Change from 2002-2012
North Carolina, District 7 Democratic Party 1997 No Party Change from 2002-2012
North Carolina, District 8 Republican Party 2013 Party Changed at least once between 2002-2012
North Carolina, District 9 Republican Party 2013 No Party Change from 2002-2012
North Carolina, District 10 Republican Party 2005 No Party Change from 2002-2012
North Carolina, District 11 Republican Party 2013 Party Changed at least once between 2002-2012
North Carolina, District 12 Democratic Party 1993 No Party Change from 2002-2012
North Carolina, District 13 Republican Party 2013 Party Changed at least once between 2002-2012
North Dakota Republican Party 2013 Party Changed at least once between 2002-2012
Ohio, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Ohio, District 2 Republican Party 2013 No Party Change from 2002-2012
Ohio, District 3 Democratic Party 2013 Party Changed at least once between 2002-2012
Ohio, District 4 Republican Party 2007 No Party Change from 2002-2012
Ohio, District 5 Republican Party 2007 No Party Change from 2002-2012
Ohio, District 6 Republican Party 2011 Party Changed at least once between 2002-2012
Ohio, District 7 Republican Party 2011 No Party Change from 2002-2012
Ohio, District 8 Republican Party 1991 No Party Change from 2002-2012
Ohio, District 9 Democratic Party 1983 No Party Change from 2002-2012
Ohio, District 10 Republican Party 2003 Party Changed at least once between 2002-2012
Ohio, District 11 Democratic Party 2009 No Party Change from 2002-2012
Ohio, District 12 Republican Party 2000 No Party Change from 2002-2012
Ohio, District 13 Democratic Party 2003 No Party Change from 2002-2012
Ohio, District 14 Republican Party 2013 No Party Change from 2002-2012
Ohio, District 15 Republican Party 2011 Party Changed at least once between 2002-2012
Ohio, District 16 Republican Party 2011 Party Changed at least once between 2002-2012
Oklahoma, District 1 Republican Party 2013 No Party Change from 2002-2012
Oklahoma, District 2 Republican Party 2013 Party Changed at least once between 2002-2012
Oklahoma, District 3 Republican Party 1994 No Party Change from 2002-2012
Oklahoma, District 4 Republican Party 2003 No Party Change from 2002-2012
Oklahoma, District 5 Republican Party 2011 No Party Change from 2002-2012
Oregon, District 1 Democratic Party 2012 No Party Change from 2002-2012
Oregon, District 2 Republican Party 1999 No Party Change from 2002-2012
Oregon, District 3 Democratic Party 1996 No Party Change from 2002-2012
Oregon, District 4 Democratic Party 1987 No Party Change from 2002-2012
Oregon, District 5 Democratic Party 2009 No Party Change from 2002-2012
Pennsylvania, District 1 Democratic Party 1998 No Party Change from 2002-2012
Pennsylvania, District 2 Democratic Party 1995 No Party Change from 2002-2012
Pennsylvania, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 4 Republican Party 2013 Party Changed at least once between 2002-2012
Pennsylvania, District 5 Republican Party 2009 No Party Change from 2002-2012
Pennsylvania, District 6 Republican Party 2003 No Party Change from 2002-2012
Pennsylvania, District 7 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 9 Republican Party 2001 No Party Change from 2002-2012
Pennsylvania, District 10 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 11 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 12 Republican Party 2013 Party Changed at least once between 2002-2012
Pennsylvania, District 13 Democratic Party 2005 No Party Change from 2002-2012
Pennsylvania, District 14 Democratic Party 1995 No Party Change from 2002-2012
Pennsylvania, District 15 Republican Party 2005 No Party Change from 2002-2012
Pennsylvania, District 16 Republican Party 1997 No Party Change from 2002-2012
Pennsylvania, District 17 Democratic Party 2013 No Party Change from 2002-2012
Pennsylvania, District 18 Republican Party 2003 No Party Change from 2002-2012
Rhode Island, District 1 Democratic Party 2011 No Party Change from 2002-2012
Rhode Island, District 2 Democratic Party 2001 No Party Change from 2002-2012
South Carolina, District 1 Republican Party 2011 No Party Change from 2002-2012
South Carolina, District 2 Republican Party 2001 No Party Change from 2002-2012
South Carolina, District 3 Republican Party 2011 No Party Change from 2002-2012
South Carolina, District 4 Republican Party 2011 No Party Change from 2002-2012
South Carolina, District 5 Republican Party 2011 Party Changed at least once between 2002-2012
South Carolina, District 6 Democratic Party 1993 No Party Change from 2002-2012
South Carolina, District 7 Republican Party 2013 New district following 2010 Census
South Dakota Republican Party 2011 Party Changed at least once between 2002-2012
Tennessee, District 1 Republican Party 2009 No Party Change from 2002-2012
Tennessee, District 2 Republican Party 1989 No Party Change from 2002-2012
Tennessee, District 3 Republican Party 2011 No Party Change from 2002-2012
Tennessee, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Tennessee, District 5 Democratic Party 2003 No Party Change from 2002-2012
Tennessee, District 6 Republican Party 2011 Party Changed at least once between 2002-2012
Tennessee, District 7 Republican Party 2003 No Party Change from 2002-2012
Tennessee, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Tennessee, District 9 Democratic Party 2007 No Party Change from 2002-2012
Texas, District 1 Republican Party 2005 Party Changed at least once between 2002-2012
Texas, District 2 Republican Party 2005 No Party Change from 2002-2012
Texas, District 3 Republican Party 1991 No Party Change from 2002-2012
Texas, District 4 Republican Party 1981 No Party Change from 2002-2012
Texas, District 5 Republican Party 2003 No Party Change from 2002-2012
Texas, District 6 Republican Party 1985 No Party Change from 2002-2012
Texas, District 7 Republican Party 2001 No Party Change from 2002-2012
Texas, District 8 Republican Party 1997 No Party Change from 2002-2012
Texas, District 9 Democratic Party 2005 No Party Change from 2002-2012
Texas, District 10 Republican Party 2005 Party Changed at least once between 2002-2012
Texas, District 11 Republican Party 2005 Party Changed at least once between 2002-2012
Texas, District 12 Republican Party 1997 No Party Change from 2002-2012
Texas, District 13 Republican Party 1995 No Party Change from 2002-2012
Texas, District 14 Republican Party 2013 No Party Change from 2002-2012
Texas, District 15 Democratic Party 1997 No Party Change from 2002-2012
Texas, District 16 Democratic Party 2013 No Party Change from 2002-2012
Texas, District 17 Republican Party 2011 Party Changed at least once between 2002-2012
Texas, District 18 Democratic Party 1995 No Party Change from 2002-2012
Texas, District 19 Republican Party 2003 No Party Change from 2002-2012
Texas, District 20 Democratic Party 2013 No Party Change from 2002-2012
Texas, District 21 Republican Party 1987 No Party Change from 2002-2012
Texas, District 22 Republican Party 2009 Party Changed at least once between 2002-2012
Texas, District 23 Democratic Party 2013 Party Changed at least once between 2002-2012
Texas, District 24 Republican Party 2005 Party Changed at least once between 2002-2012
Texas, District 25 Republican Party 2013 Party Changed at least once between 2002-2012
Texas, District 26 Republican Party 2003 No Party Change from 2002-2012
Texas, District 27 Republican Party 2011 Party Changed at least once between 2002-2012
Texas, District 28 Democratic Party 2005 No Party Change from 2002-2012
Texas, District 29 Democratic Party 1993 No Party Change from 2002-2012
Texas, District 30 Democratic Party 1993 No Party Change from 2002-2012
Texas, District 31 Republican Party 2003 No Party Change from 2002-2012
Texas, District 32 Republican Party 2003 No Party Change from 2002-2012
Texas, District 33 Democratic Party 2013 New district following 2010 Census
Texas, District 34 Democratic Party 2013 New district following 2010 Census
Texas, District 35 Democratic Party 1995 New district following 2010 Census
Texas, District 36 Republican Party 2013 New district following 2010 Census
Utah, District 1 Republican Party 2003 No Party Change from 2002-2012
Utah, District 2 Republican Party 2013 Party Changed at least once between 2002-2012
Utah, District 3 Republican Party 2009 No Party Change from 2002-2012
Utah, District 4 Democratic Party 2001 New district following 2010 Census
Vermont, At-Large Democratic Party 2007 Party Changed at least once between 2002-2012
Virginia, District 1 Republican Party 2007 No Party Change from 2002-2012
Virginia, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
Virginia, District 3 Democratic Party 1993 No Party Change from 2002-2012
Virginia, District 4 Republican Party 2001 No Party Change from 2002-2012
Virginia, District 5 Republican Party 2011 Party Changed at least once between 2002-2012
Virginia, District 6 Republican Party 1993 No Party Change from 2002-2012
Virginia, District 7 Republican Party 2001 No Party Change from 2002-2012
Virginia, District 8 Democratic Party 1991 No Party Change from 2002-2012
Virginia, District 9 Republican Party 2011 Party Changed at least once between 2002-2012
Virginia, District 10 Republican Party 1981 No Party Change from 2002-2012
Virginia, District 11 Democratic Party 2009 No Party Change from 2002-2012
Washington, District 1 Democratic Party 2012 No Party Change from 2002-2012
Washington, District 2 Democratic Party 2001 No Party Change from 2002-2012
Washington, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Washington, District 4 Republican Party 1995 No Party Change from 2002-2012
Washington, District 5 Republican Party 2005 No Party Change from 2002-2012
Washington, District 6 Democratic Party 2013 No Party Change from 2002-2012
Washington, District 7 Democratic Party 1989 No Party Change from 2002-2012
Washington, District 8 Republican Party 2005 No Party Change from 2002-2012
Washington, District 9 Democratic Party 1997 No Party Change from 2002-2012
Washington, District 10 Democratic Party 2013 New district following 2010 Census
West Virginia, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
West Virginia, District 2 Republican Party 2001 No Party Change from 2002-2012
West Virginia, District 3 Democratic Party 1993 No Party Change from 2002-2012
Wisconsin, District 1 Republican Party 1999 No Party Change from 2002-2012
Wisconsin, District 2 Democratic Party 2013 No Party Change from 2002-2012
Wisconsin, District 3 Democratic Party 1997 No Party Change from 2002-2012
Wisconsin, District 4 Democratic Party 2005 No Party Change from 2002-2012
Wisconsin, District 5 Republican Party 1979 No Party Change from 2002-2012
Wisconsin, District 6 Republican Party 1979 No Party Change from 2002-2012
Wisconsin, District 7 Republican Party 2011 Party Changed at least once between 2002-2012
Wisconsin, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Wyoming, At-Large Republican Party 2009 No Party Change from 2002-2012

Incumbent Did Not Run For Re-Election

This table highlights the districts in which the incumbent did not seek re-election.

Legend:      Incumbent Did Not Run





Did the US House incumbent face a primary opponent?
District Party Incumbent Took Office Party Change in Last 10 years? 2012 2010 2008 2006 2004
Alabama, District 1 Republican Party 2003 No Party Change from 2002-2012
Alabama, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
Alabama, District 3 Republican Party 2003 No Party Change from 2002-2012
Alabama, District 4 Republican Party 1997 No Party Change from 2002-2012
Alabama, District 5 Republican Party 2011 Party Changed at least once between 2002-2012
Alabama, District 6 Republican Party 1993 No Party Change from 2002-2012
Alabama, District 7 Democratic Party 2011 No Party Change from 2002-2012
Alaska, At-large Republican Party 1973 No Party Change from 2002-2012
Arizona, District 1 Democratic Party 2013 Party Changed at least once between 2002-2012
Arizona, District 2 Democratic Party 2012 Party Changed at least once between 2002-2012
Arizona, District 3 Democratic Party 2003 Party Changed at least once between 2002-2012
Arizona, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Arizona, District 5 Republican Party 2013 Party Changed at least once between 2002-2012
Arizona, District 6 Republican Party 2011 No Party Change from 2002-2012
Arizona, District 7 Democratic Party 1991 No Party Change from 2002-2012
Arizona, District 8 Republican Party 2003 Party Changed at least once between 2002-2012
Arizona, District 9 Democratic Party 2013 New district following 2010 Census
Arkansas, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Arkansas, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
Arkansas, District 3 Republican Party 2011 No Party Change from 2002-2012
Arkansas, District 4 Republican Party 2013 Party Changed at least once between 2002-2012
California, District 1 Republican Party 2013 Party Changed at least once between 2002-2012
California, District 2 Democratic Party 2013 Party Changed at least once between 2002-2012
California, District 3 Democratic Party 2009 Party Changed at least once between 2002-2012
California, District 4 Republican Party 2009 No Party Change from 2002-2012
California, District 5 Democratic Party 1999 No Party Change from 2002-2012
California, District 6 Democratic Party 2005 No Party Change from 2002-2012
California, District 7 Democratic Party 2013 No Party Change from 2002-2012
California, District 8 Republican Party 2013 Party Changed at least once between 2002-2012
California, District 9 Democratic Party 2007 No Party Change from 2002-2012
California, District 10 Republican Party 2011 Party Changed at least once between 2002-2012
California, District 11 Democratic Party 1975 Party Changed at least once between 2002-2012
California, District 12 Democratic Party 1987 No Party Change from 2002-2012
California, District 13 Democratic Party 1999 No Party Change from 2002-2012
California, District 14 Democratic Party 2008 No Party Change from 2002-2012
California, District 15 Democratic Party 2013 No Party Change from 2002-2012
California, District 16 Democratic Party 2005 No Party Change from 2002-2012
California, District 17 Democratic Party 2001 No Party Change from 2002-2012
California, District 18 Democratic Party 1993 No Party Change from 2002-2012
California, District 19 Democratic Party 1995 Party Changed at least once between 2002-2012
California, District 20 Democratic Party 1993 No Party Change from 2002-2012
California, District 21 Republican Party 2013 No Party Change from 2002-2012
California, District 22 Republican Party 2003 No Party Change from 2002-2012
California, District 23 Republican Party 2007 Party Changed at least once between 2002-2012
California, District 24 Democratic Party 1998 Party Changed at least once between 2002-2012
California, District 25 Republican Party 1993 No Party Change from 2002-2012
California, District 26 Democratic Party 2013 Party Changed at least once between 2002-2012
California, District 27 Democratic Party 2009 No Party Change from 2002-2012
California, District 28 Democratic Party 2001 No Party Change from 2002-2012
California, District 29 Democratic Party 1997 No Party Change from 2002-2012
California, District 30 Democratic Party 1997 No Party Change from 2002-2012
California, District 31 Republican Party 1999 Party Changed at least once between 2002-2012
California, District 32 Democratic Party 1999 No Party Change from 2002-2012
California, District 33 Democratic Party 1975 No Party Change from 2002-2012
California, District 34 Democratic Party 1993 No Party Change from 2002-2012
California, District 35 Democratic Party 2013 No Party Change from 2002-2012
California, District 36 Democratic Party 2013 No Party Change from 2002-2012
California, District 37 Democratic Party 2011 No Party Change from 2002-2012
California, District 38 Democratic Party 2003 No Party Change from 2002-2012
California, District 39 Republican Party 1993 Party Changed at least once between 2002-2012
California, District 40 Democratic Party 1993 Party Changed at least once between 2002-2012
California, District 41 Democratic Party 2013 Party Changed at least once between 2002-2012
California, District 42 Republican Party 1993 No Party Change from 2002-2012
California, District 43 Democratic Party 1991 No Party Change from 2002-2012
California, District 44 Democratic Party 2011 Party Changed at least once between 2002-2012
California, District 45 Republican Party 2005 No Party Change from 2002-2012
California, District 46 Democratic Party 1997 Party Changed at least once between 2002-2012
California, District 47 Democratic Party 2013 No Party Change from 2002-2012
California, District 48 Republican Party 1989 No Party Change from 2002-2012
California, District 49 Republican Party 2001 No Party Change from 2002-2012
California, District 50 Republican Party 2009 No Party Change from 2002-2012
California, District 51 Democratic Party 2013 No Party Change from 2002-2012
California, District 52 Democratic Party 2013 Party Changed at least once between 2002-2012
California, District 53 Democratic Party 2001 No Party Change from 2002-2012
Colorado, District 1 Democratic Party 1997 No Party Change from 2002-2012
Colorado, District 2 Democratic Party 2009 No Party Change from 2002-2012
Colorado, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Colorado, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Colorado, District 5 Republican Party 2007 No Party Change from 2002-2012
Colorado, District 6 Republican Party 2009 No Party Change from 2002-2012
Colorado, District 7 Democratic Party 2007 Party Changed at least once between 2002-2012
Connecticut, District 1 Democratic Party 1999 No Party Change from 2002-2012
Connecticut, District 2 Democratic Party 2007 Party Changed at least once between 2002-2012
Connecticut, District 3 Democratic Party 1991 No Party Change from 2002-2012
Connecticut, District 4 Democratic Party 2009 Party Changed at least once between 2002-2012
Connecticut, District 5 Democratic Party 2013 Party Changed at least once between 2002-2012
Delaware Democratic Party 2011 Party Changed at least once between 2002-2012
Florida, District 1 Republican Party 2001 No Party Change from 2002-2012
Florida, District 10 Republican Party 2011 No Party Change from 2002-2012
Florida, District 11 Republican Party 2011 Party Changed at least once between 2002-2012
Florida, District 12 Republican Party 2007 No Party Change from 2002-2012
Florida, District 13 Republican Party 1971 No Party Change from 2002-2012
Florida, District 14 Democratic Party 2007 Party Changed at least once between 2002-2012
Florida, District 15 Republican Party 2011 No Party Change from 2002-2012
Florida, District 16 Republican Party 2007 Party Changed at least once between 2002-2012
Florida, District 17 Republican Party 2009 Party Changed at least once between 2002-2012
Florida, District 18 Democratic Party 2013 Party Changed at least once between 2002-2012
Florida, District 19 Republican Party 2013 Party Changed at least once between 2002-2012
Florida, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
Florida, District 20 Democratic Party 1993 No Party Change from 2002-2012
Florida, District 21 Democratic Party 2010 Party Changed at least once between 2002-2012
Florida, District 22 Democratic Party 2013 Party Changed at least once between 2002-2012
Florida, District 23 Democratic Party 2005 No Party Change from 2002-2012
Florida, District 24 Democratic Party 2011 Party Changed at least once between 2002-2012
Florida, District 25 Republican Party 2011 No Party Change from 2002-2012
Florida, District 26 Democratic Party 2013 New district following 2010 Census
Florida, District 27 Republican Party 1989 New district following 2010 Census
Florida, District 3 Republican Party 2013 Party Changed at least once between 2002-2012
Florida, District 4 Republican Party 2001 No Party Change from 2002-2012
Florida, District 5 Democratic Party 1993 Party Changed at least once between 2002-2012
Florida, District 6 Republican Party 2013 No Party Change from 2002-2012
Florida, District 7 Republican Party 1993 No Party Change from 2002-2012
Florida, District 8 Republican Party 2009 Party Changed at least once between 2002-2012
Florida, District 9 Democratic Party 2013 Party Changed at least once between 2002-2012
Georgia, District 1 Republican Party 1993 No Party Change from 2002-2012
Georgia, District 10 Republican Party 2007 No Party Change from 2002-2012
Georgia, District 11 Republican Party 2003 No Party Change from 2002-2012
Georgia, District 12 Democratic Party 2005 Party Changed at least once between 2002-2012
Georgia, District 13 Democratic Party 2003 No Party Change from 2002-2012
Georgia, District 14 Republican Party 2013 New district following 2010 Census
Georgia, District 2 Democratic Party 1993 No Party Change from 2002-2012
Georgia, District 3 Republican Party 2007 Party Changed at least once between 2002-2012
Georgia, District 4 Democratic Party 2007 No Party Change from 2002-2012
Georgia, District 5 Democratic Party 1987 No Party Change from 2002-2012
Georgia, District 6 Republican Party 2005 No Party Change from 2002-2012
Georgia, District 7 Republican Party 2011 No Party Change from 2002-2012
Georgia, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Georgia, District 9 Republican Party 2013 No Party Change from 2002-2012
Hawaii, District 1 Democratic Party 2011 Party Changed at least once between 2002-2012
Hawaii, District 2 Democratic Party 2013 No Party Change from 2002-2012
Idaho, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Idaho, District 2 Republican Party 1999 No Party Change from 2002-2012
Illinois, District 1 Democratic Party 1993 No Party Change from 2002-2012
Illinois, District 2 Democratic Party No Party Change from 2002-2012
Illinois, District 3 Democratic Party 2005 No Party Change from 2002-2012
Illinois, District 4 Democratic Party 1993 No Party Change from 2002-2012
Illinois, District 5 Democratic Party 2009 No Party Change from 2002-2012
Illinois, District 6 Republican Party 2007 No Party Change from 2002-2012
Illinois, District 7 Democratic Party 1997 No Party Change from 2002-2012
Illinois, District 8 Democratic Party 2013 Party Changed at least once between 2002-2012
Illinois, District 9 Democratic Party 1999 No Party Change from 2002-2012
Illinois, District 10 Democratic Party 2013 Party Changed at least once between 2002-2012
Illinois, District 11 Democratic Party 2013 Party Changed at least once between 2002-2012
Illinois, District 12 Democratic Party 2013 No Party Change from 2002-2012
Illinois, District 13 Republican Party 2013 No Party Change from 2002-2012
Illinois, District 14 Republican Party 2011 Party Changed at least once between 2002-2012
Illinois, District 15 Republican Party 2013 No Party Change from 2002-2012
Illinois, District 16 Republican Party 2011 No Party Change from 2002-2012
Illinois, District 17 Democratic Party 2013 Party Changed at least once between 2002-2012
Illinois, District 18 Republican Party 2009 No Party Change from 2002-2012
Indiana, District 1 Democratic Party 1985 No Party Change from 2002-2012
Indiana, District 2 Republican Party 2013 Party Changed at least once between 2002-2012
Indiana, District 3 Republican Party 2010 No Party Change from 2002-2012
Indiana, District 4 Republican Party 2011 No Party Change from 2002-2012
Indiana, District 5 Republican Party 2013 No Party Change from 2002-2012
Indiana, District 6 Republican Party 2013 No Party Change from 2002-2012
Indiana, District 7 Democratic Party 2008 No Party Change from 2002-2012
Indiana, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Indiana, District 9 Republican Party 2011 Party Changed at least once between 2002-2012
Iowa, District 1 Democratic Party 2007 Party Changed at least once between 2002-2012
Iowa, District 2 Democratic Party 2007 Party Changed at least once between 2002-2012
Iowa, District 3 Republican Party 1995 Party Changed at least once between 2002-2012
Iowa, District 4 Republican Party 2003 No Party Change from 2002-2012
Kansas, District 1 Republican Party 2011 No Party Change from 2002-2012
Kansas, District 2 Republican Party 2009 Party Changed at least once between 2002-2012
Kansas, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Kansas, District 4 Republican Party 2011 No Party Change from 2002-2012
Kentucky, District 1 Republican Party 1995 No Party Change from 2002-2012
Kentucky, District 2 Republican Party 2009 No Party Change from 2002-2012
Kentucky, District 3 Democratic Party 2007 Party Changed at least once between 2002-2012
Kentucky, District 4 Republican Party 2013 No Party Change from 2002-2012
Kentucky, District 5 Republican Party 1981 No Party Change from 2002-2012
Kentucky, District 6 Republican Party 2013 Party Changed at least once between 2002-2012
Louisiana, District 1 Republican Party 2008 No Party Change from 2002-2012
Louisiana, District 2 Democratic Party 2008 Party Changed at least once between 2002-2012
Louisiana, District 3 Republican Party 2005 Party Changed at least once between 2002-2012
Louisiana, District 4 Republican Party 2009 No Party Change from 2002-2012
Louisiana, District 5 Republican Party 2003 No Party Change from 2002-2012
Louisiana, District 6 Republican Party 2009 Party Changed at least once between 2002-2012
Maine, District 1 Democratic Party 2009 No Party Change from 2002-2012
Maine, District 2 Democratic Party 2003 No Party Change from 2002-2012
Maryland, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Maryland, District 2 Democratic Party 2003 No Party Change from 2002-2012
Maryland, District 3 Democratic Party 2007 No Party Change from 2002-2012
Maryland, District 4 Democratic Party 2008 No Party Change from 2002-2012
Maryland, District 5 Democratic Party 1981 No Party Change from 2002-2012
Maryland, District 6 Democratic Party 2013 Party Changed at least once between 2002-2012
Maryland, District 7 Democratic Party 1996 No Party Change from 2002-2012
Maryland, District 8 Democratic Party 2003 No Party Change from 2002-2012
Massachusetts, District 1 Democratic Party 1989 No Party Change from 2002-2012
Massachusetts, District 2 Democratic Party 1989 No Party Change from 2002-2012
Massachusetts, District 3 Democratic Party 2007 No Party Change from 2002-2012
Massachusetts, District 4 Democratic Party 2013 No Party Change from 2002-2012
Massachusetts, District 5 Democratic Party 1976 No Party Change from 2002-2012
Massachusetts, District 6 Democratic Party 1997 No Party Change from 2002-2012
Massachusetts, District 7 Democratic Party 1999 No Party Change from 2002-2012
Massachusetts, District 8 Democratic Party 2001 No Party Change from 2002-2012
Massachusetts, District 9 Democratic Party 2011 No Party Change from 2002-2012
Michigan, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Michigan, District 2 Republican Party 2011 No Party Change from 2002-2012
Michigan, District 3 Republican Party 2011 No Party Change from 2002-2012
Michigan, District 4 Republican Party 1991 No Party Change from 2002-2012
Michigan, District 5 Democratic Party 2013 No Party Change from 2002-2012
Michigan, District 6 Republican Party 1987 No Party Change from 2002-2012
Michigan, District 7 Republican Party 2011 Party Changed at least once between 2002-2012
Michigan, District 8 Republican Party 2001 No Party Change from 2002-2012
Michigan, District 9 Democratic Party 1983 Party Changed at least once between 2002-2012
Michigan, District 10 Republican Party 2003 No Party Change from 2002-2012
Michigan, District 11 Republican Party 2013 No Party Change from 2002-2012
Michigan, District 12 Democratic Party 2011 No Party Change from 2002-2012
Michigan, District 13 Democratic Party 1965 No Party Change from 2002-2012
Michigan, District 14 Democratic Party 2009 No Party Change from 2002-2012
Minnesota, District 1 Democratic Party 2007 Party Changed at least once between 2002-2012
Minnesota, District 2 Republican Party 2003 No Party Change from 2002-2012
Minnesota, District 3 Republican Party 2009 No Party Change from 2002-2012
Minnesota, District 4 Democratic Party 2009 No Party Change from 2002-2012
Minnesota, District 5 Democratic Party 2007 No Party Change from 2002-2012
Minnesota, District 6 Republican Party 2007 No Party Change from 2002-2012
Minnesota, District 7 Democratic Party 1991 No Party Change from 2002-2012
Minnesota, District 8 Democratic Party 2013 Party Changed at least once between 2002-2012
Mississippi, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Mississippi, District 2 Democratic Party 2011 No Party Change from 2002-2012
Mississippi, District 3 Republican Party 2009 No Party Change from 2002-2012
Mississippi, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Missouri, District 1 Democratic Party 2001 No Party Change from 2002-2012
Missouri, District 2 Republican Party 2013 No Party Change from 2002-2012
Missouri, District 3 Republican Party 2009 Party Changed at least once between 2002-2012
Missouri, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Missouri, District 5 Democratic Party 2004 No Party Change from 2002-2012
Missouri, District 6 Republican Party 2001 No Party Change from 2002-2012
Missouri, District 7 Republican Party 2011 No Party Change from 2002-2012
Missouri, District 8 Republican Party 1996 No Party Change from 2002-2012
Montana, At-large District Republican Party 2013 No Party Change from 2002-2012
Nebraska, District 1 Republican Party 2005 No Party Change from 2002-2012
Nebraska, District 2 Republican Party 1999 No Party Change from 2002-2012
Nebraska, District 3 Republican Party 2007 No Party Change from 2002-2012
Nevada, District 1 Democratic Party 2013 No Party Change from 2002-2012
Nevada, District 2 Republican Party 2011 No Party Change from 2002-2012
Nevada, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Nevada, District 4 Democratic Party 2013 New district following 2010 Census
New Hampshire, District 1 Democratic Party 2013 Party Changed at least once between 2002-2012
New Hampshire, District 2 Democratic Party 2013 Party Changed at least once between 2002-2012
New Jersey, District 1 Democratic Party 1990 No Party Change from 2002-2012
New Jersey, District 2 Republican Party 1995 No Party Change from 2002-2012
New Jersey, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
New Jersey, District 4 Republican Party 1981 No Party Change from 2002-2012
New Jersey, District 5 Republican Party 2003 No Party Change from 2002-2012
New Jersey, District 6 Democratic Party 1993 No Party Change from 2002-2012
New Jersey, District 7 Republican Party 2009 No Party Change from 2002-2012
New Jersey, District 8 Democratic Party 2006 No Party Change from 2002-2012
New Jersey, District 9 Democratic Party 1997 No Party Change from 2002-2012
New Jersey, District 10 Democratic Party 2013 No Party Change from 2002-2012
New Jersey, District 11 Republican Party 1995 No Party Change from 2002-2012
New Jersey, District 12 Democratic Party 1999 No Party Change from 2002-2012
New Mexico, District 1 Democratic Party 2013 Party Changed at least once between 2002-2012
New Mexico, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
New Mexico, District 3 Democratic Party 2009 No Party Change from 2002-2012
New York, District 1 Democratic Party 2003 No Party Change from 2002-2012
New York, District 2 Republican Party 1993 Party Changed at least once between 2002-2012
New York, District 3 Democratic Party 2013 Party Changed at least once between 2002-2012
New York, District 4 Democratic Party 1997 No Party Change from 2002-2012
New York, District 5 Democratic Party 1998 No Party Change from 2002-2012
New York, District 6 Democratic Party 2013 No Party Change from 2002-2012
New York, District 7 Democratic Party 1993 No Party Change from 2002-2012
New York, District 8 Democratic Party 2013 No Party Change from 2002-2012
New York, District 9 Democratic Party 2007 Party Changed at least once between 2002-2012
New York, District 10 Democratic Party 1993 No Party Change from 2002-2012
New York, District 11 Republican Party 2011 Party Changed at least once between 2002-2012
New York, District 12 Democratic Party 1993 No Party Change from 2002-2012
New York, District 13 Democratic Party 1971 Party Changed at least once between 2002-2012
New York, District 14 Democratic Party 1999 No Party Change from 2002-2012
New York, District 15 Democratic Party 1973 No Party Change from 2002-2012
New York, District 16 Democratic Party 1989 No Party Change from 2002-2012
New York, District 17 Democratic Party 1989 No Party Change from 2002-2012
New York, District 18 Democratic Party 2013 No Party Change from 2002-2012
New York, District 19 Republican Party 2011 Party Changed at least once between 2002-2012
New York, District 20 Democratic Party 2009 Party Changed at least once between 2002-2012
New York, District 21 Democratic Party 2009 No Party Change from 2002-2012
New York, District 22 Republican Party 2011 Party Changed at least once between 2002-2012
New York, District 23 Republican Party 2010 Party Changed at least once between 2002-2012
New York, District 24 Democratic Party 2013 Party Changed at least once between 2002-2012
New York, District 25 Democratic Party 1987 Party Changed at least once between 2002-2012
New York, District 26 Democratic Party 2005 Party Changed at least once between 2002-2012
New York, District 27 Republican Party 2013 No Party Change from 2002-2012
North Carolina, District 1 Democratic Party 2004 No Party Change from 2002-2012
North Carolina, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
North Carolina, District 3 Republican Party 1995 No Party Change from 2002-2012
North Carolina, District 4 Democratic Party 1997 No Party Change from 2002-2012
North Carolina, District 5 Republican Party 2005 No Party Change from 2002-2012
North Carolina, District 6 Republican Party 1985 No Party Change from 2002-2012
North Carolina, District 7 Democratic Party 1997 No Party Change from 2002-2012
North Carolina, District 8 Republican Party 2013 Party Changed at least once between 2002-2012
North Carolina, District 9 Republican Party 2013 No Party Change from 2002-2012
North Carolina, District 10 Republican Party 2005 No Party Change from 2002-2012
North Carolina, District 11 Republican Party 2013 Party Changed at least once between 2002-2012
North Carolina, District 12 Democratic Party 1993 No Party Change from 2002-2012
North Carolina, District 13 Republican Party 2013 Party Changed at least once between 2002-2012
North Dakota Republican Party 2013 Party Changed at least once between 2002-2012
Ohio, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Ohio, District 2 Republican Party 2013 No Party Change from 2002-2012
Ohio, District 3 Democratic Party 2013 Party Changed at least once between 2002-2012
Ohio, District 4 Republican Party 2007 No Party Change from 2002-2012
Ohio, District 5 Republican Party 2007 No Party Change from 2002-2012
Ohio, District 6 Republican Party 2011 Party Changed at least once between 2002-2012
Ohio, District 7 Republican Party 2011 No Party Change from 2002-2012
Ohio, District 8 Republican Party 1991 No Party Change from 2002-2012
Ohio, District 9 Democratic Party 1983 No Party Change from 2002-2012
Ohio, District 10 Republican Party 2003 Party Changed at least once between 2002-2012
Ohio, District 11 Democratic Party 2009 No Party Change from 2002-2012
Ohio, District 12 Republican Party 2000 No Party Change from 2002-2012
Ohio, District 13 Democratic Party 2003 No Party Change from 2002-2012
Ohio, District 14 Republican Party 2013 No Party Change from 2002-2012
Ohio, District 15 Republican Party 2011 Party Changed at least once between 2002-2012
Ohio, District 16 Republican Party 2011 Party Changed at least once between 2002-2012
Oklahoma, District 1 Republican Party 2013 No Party Change from 2002-2012
Oklahoma, District 2 Republican Party 2013 Party Changed at least once between 2002-2012
Oklahoma, District 3 Republican Party 1994 No Party Change from 2002-2012
Oklahoma, District 4 Republican Party 2003 No Party Change from 2002-2012
Oklahoma, District 5 Republican Party 2011 No Party Change from 2002-2012
Oregon, District 1 Democratic Party 2012 No Party Change from 2002-2012
Oregon, District 2 Republican Party 1999 No Party Change from 2002-2012
Oregon, District 3 Democratic Party 1996 No Party Change from 2002-2012
Oregon, District 4 Democratic Party 1987 No Party Change from 2002-2012
Oregon, District 5 Democratic Party 2009 No Party Change from 2002-2012
Pennsylvania, District 1 Democratic Party 1998 No Party Change from 2002-2012
Pennsylvania, District 2 Democratic Party 1995 No Party Change from 2002-2012
Pennsylvania, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 4 Republican Party 2013 Party Changed at least once between 2002-2012
Pennsylvania, District 5 Republican Party 2009 No Party Change from 2002-2012
Pennsylvania, District 6 Republican Party 2003 No Party Change from 2002-2012
Pennsylvania, District 7 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 9 Republican Party 2001 No Party Change from 2002-2012
Pennsylvania, District 10 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 11 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 12 Republican Party 2013 Party Changed at least once between 2002-2012
Pennsylvania, District 13 Democratic Party 2005 No Party Change from 2002-2012
Pennsylvania, District 14 Democratic Party 1995 No Party Change from 2002-2012
Pennsylvania, District 15 Republican Party 2005 No Party Change from 2002-2012
Pennsylvania, District 16 Republican Party 1997 No Party Change from 2002-2012
Pennsylvania, District 17 Democratic Party 2013 No Party Change from 2002-2012
Pennsylvania, District 18 Republican Party 2003 No Party Change from 2002-2012
Rhode Island, District 1 Democratic Party 2011 No Party Change from 2002-2012
Rhode Island, District 2 Democratic Party 2001 No Party Change from 2002-2012
South Carolina, District 1 Republican Party 2011 No Party Change from 2002-2012
South Carolina, District 2 Republican Party 2001 No Party Change from 2002-2012
South Carolina, District 3 Republican Party 2011 No Party Change from 2002-2012
South Carolina, District 4 Republican Party 2011 No Party Change from 2002-2012
South Carolina, District 5 Republican Party 2011 Party Changed at least once between 2002-2012
South Carolina, District 6 Democratic Party 1993 No Party Change from 2002-2012
South Carolina, District 7 Republican Party 2013 New district following 2010 Census
South Dakota Republican Party 2011 Party Changed at least once between 2002-2012
Tennessee, District 1 Republican Party 2009 No Party Change from 2002-2012
Tennessee, District 2 Republican Party 1989 No Party Change from 2002-2012
Tennessee, District 3 Republican Party 2011 No Party Change from 2002-2012
Tennessee, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Tennessee, District 5 Democratic Party 2003 No Party Change from 2002-2012
Tennessee, District 6 Republican Party 2011 Party Changed at least once between 2002-2012
Tennessee, District 7 Republican Party 2003 No Party Change from 2002-2012
Tennessee, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Tennessee, District 9 Democratic Party 2007 No Party Change from 2002-2012
Texas, District 1 Republican Party 2005 Party Changed at least once between 2002-2012
Texas, District 2 Republican Party 2005 No Party Change from 2002-2012
Texas, District 3 Republican Party 1991 No Party Change from 2002-2012
Texas, District 4 Republican Party 1981 No Party Change from 2002-2012
Texas, District 5 Republican Party 2003 No Party Change from 2002-2012
Texas, District 6 Republican Party 1985 No Party Change from 2002-2012
Texas, District 7 Republican Party 2001 No Party Change from 2002-2012
Texas, District 8 Republican Party 1997 No Party Change from 2002-2012
Texas, District 9 Democratic Party 2005 No Party Change from 2002-2012
Texas, District 10 Republican Party 2005 Party Changed at least once between 2002-2012
Texas, District 11 Republican Party 2005 Party Changed at least once between 2002-2012
Texas, District 12 Republican Party 1997 No Party Change from 2002-2012
Texas, District 13 Republican Party 1995 No Party Change from 2002-2012
Texas, District 14 Republican Party 2013 No Party Change from 2002-2012
Texas, District 15 Democratic Party 1997 No Party Change from 2002-2012
Texas, District 16 Democratic Party 2013 No Party Change from 2002-2012
Texas, District 17 Republican Party 2011 Party Changed at least once between 2002-2012
Texas, District 18 Democratic Party 1995 No Party Change from 2002-2012
Texas, District 19 Republican Party 2003 No Party Change from 2002-2012
Texas, District 20 Democratic Party 2013 No Party Change from 2002-2012
Texas, District 21 Republican Party 1987 No Party Change from 2002-2012
Texas, District 22 Republican Party 2009 Party Changed at least once between 2002-2012
Texas, District 23 Democratic Party 2013 Party Changed at least once between 2002-2012
Texas, District 24 Republican Party 2005 Party Changed at least once between 2002-2012
Texas, District 25 Republican Party 2013 Party Changed at least once between 2002-2012
Texas, District 26 Republican Party 2003 No Party Change from 2002-2012
Texas, District 27 Republican Party 2011 Party Changed at least once between 2002-2012
Texas, District 28 Democratic Party 2005 No Party Change from 2002-2012
Texas, District 29 Democratic Party 1993 No Party Change from 2002-2012
Texas, District 30 Democratic Party 1993 No Party Change from 2002-2012
Texas, District 31 Republican Party 2003 No Party Change from 2002-2012
Texas, District 32 Republican Party 2003 No Party Change from 2002-2012
Texas, District 33 Democratic Party 2013 New district following 2010 Census
Texas, District 34 Democratic Party 2013 New district following 2010 Census
Texas, District 35 Democratic Party 1995 New district following 2010 Census
Texas, District 36 Republican Party 2013 New district following 2010 Census
Utah, District 1 Republican Party 2003 No Party Change from 2002-2012
Utah, District 2 Republican Party 2013 Party Changed at least once between 2002-2012
Utah, District 3 Republican Party 2009 No Party Change from 2002-2012
Utah, District 4 Democratic Party 2001 New district following 2010 Census
Vermont, At-Large Democratic Party 2007 Party Changed at least once between 2002-2012
Virginia, District 1 Republican Party 2007 No Party Change from 2002-2012
Virginia, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
Virginia, District 3 Democratic Party 1993 No Party Change from 2002-2012
Virginia, District 4 Republican Party 2001 No Party Change from 2002-2012
Virginia, District 5 Republican Party 2011 Party Changed at least once between 2002-2012
Virginia, District 6 Republican Party 1993 No Party Change from 2002-2012
Virginia, District 7 Republican Party 2001 No Party Change from 2002-2012
Virginia, District 8 Democratic Party 1991 No Party Change from 2002-2012
Virginia, District 9 Republican Party 2011 Party Changed at least once between 2002-2012
Virginia, District 10 Republican Party 1981 No Party Change from 2002-2012
Virginia, District 11 Democratic Party 2009 No Party Change from 2002-2012
Washington, District 1 Democratic Party 2012 No Party Change from 2002-2012
Washington, District 2 Democratic Party 2001 No Party Change from 2002-2012
Washington, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Washington, District 4 Republican Party 1995 No Party Change from 2002-2012
Washington, District 5 Republican Party 2005 No Party Change from 2002-2012
Washington, District 6 Democratic Party 2013 No Party Change from 2002-2012
Washington, District 7 Democratic Party 1989 No Party Change from 2002-2012
Washington, District 8 Republican Party 2005 No Party Change from 2002-2012
Washington, District 9 Democratic Party 1997 No Party Change from 2002-2012
Washington, District 10 Democratic Party 2013 New district following 2010 Census
West Virginia, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
West Virginia, District 2 Republican Party 2001 No Party Change from 2002-2012
West Virginia, District 3 Democratic Party 1993 No Party Change from 2002-2012
Wisconsin, District 1 Republican Party 1999 No Party Change from 2002-2012
Wisconsin, District 2 Democratic Party 2013 No Party Change from 2002-2012
Wisconsin, District 3 Democratic Party 1997 No Party Change from 2002-2012
Wisconsin, District 4 Democratic Party 2005 No Party Change from 2002-2012
Wisconsin, District 5 Republican Party 1979 No Party Change from 2002-2012
Wisconsin, District 6 Republican Party 1979 No Party Change from 2002-2012
Wisconsin, District 7 Republican Party 2011 Party Changed at least once between 2002-2012
Wisconsin, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Wyoming, At-Large Republican Party 2009 No Party Change from 2002-2012

All Datasets Combined

This table highlights all districts, combining the previous three tables.

Legend:      Incumbent Did not Face Primary Opponent     Incumbent Did Face Primary Opponent     Incumbent Did Not Run





Did the US House incumbent face a primary opponent?
District Party Incumbent Took Office Party Change in Last 10 years? 2012 2010 2008 2006 2004
Alabama, District 1 Republican Party 2003 No Party Change from 2002-2012
Alabama, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
Alabama, District 3 Republican Party 2003 No Party Change from 2002-2012
Alabama, District 4 Republican Party 1997 No Party Change from 2002-2012
Alabama, District 5 Republican Party 2011 Party Changed at least once between 2002-2012
Alabama, District 6 Republican Party 1993 No Party Change from 2002-2012
Alabama, District 7 Democratic Party 2011 No Party Change from 2002-2012
Alaska, At-large Republican Party 1973 No Party Change from 2002-2012
Arizona, District 1 Democratic Party 2013 Party Changed at least once between 2002-2012
Arizona, District 2 Democratic Party 2012 Party Changed at least once between 2002-2012
Arizona, District 3 Democratic Party 2003 Party Changed at least once between 2002-2012
Arizona, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Arizona, District 5 Republican Party 2013 Party Changed at least once between 2002-2012
Arizona, District 6 Republican Party 2011 No Party Change from 2002-2012
Arizona, District 7 Democratic Party 1991 No Party Change from 2002-2012
Arizona, District 8 Republican Party 2003 Party Changed at least once between 2002-2012
Arizona, District 9 Democratic Party 2013 New district following 2010 Census
Arkansas, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Arkansas, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
Arkansas, District 3 Republican Party 2011 No Party Change from 2002-2012
Arkansas, District 4 Republican Party 2013 Party Changed at least once between 2002-2012
California, District 1 Republican Party 2013 Party Changed at least once between 2002-2012
California, District 2 Democratic Party 2013 Party Changed at least once between 2002-2012
California, District 3 Democratic Party 2009 Party Changed at least once between 2002-2012
California, District 4 Republican Party 2009 No Party Change from 2002-2012
California, District 5 Democratic Party 1999 No Party Change from 2002-2012
California, District 6 Democratic Party 2005 No Party Change from 2002-2012
California, District 7 Democratic Party 2013 No Party Change from 2002-2012
California, District 8 Republican Party 2013 Party Changed at least once between 2002-2012
California, District 9 Democratic Party 2007 No Party Change from 2002-2012
California, District 10 Republican Party 2011 Party Changed at least once between 2002-2012
California, District 11 Democratic Party 1975 Party Changed at least once between 2002-2012
California, District 12 Democratic Party 1987 No Party Change from 2002-2012
California, District 13 Democratic Party 1999 No Party Change from 2002-2012
California, District 14 Democratic Party 2008 No Party Change from 2002-2012
California, District 15 Democratic Party 2013 No Party Change from 2002-2012
California, District 16 Democratic Party 2005 No Party Change from 2002-2012
California, District 17 Democratic Party 2001 No Party Change from 2002-2012
California, District 18 Democratic Party 1993 No Party Change from 2002-2012
California, District 19 Democratic Party 1995 Party Changed at least once between 2002-2012
California, District 20 Democratic Party 1993 No Party Change from 2002-2012
California, District 21 Republican Party 2013 No Party Change from 2002-2012
California, District 22 Republican Party 2003 No Party Change from 2002-2012
California, District 23 Republican Party 2007 Party Changed at least once between 2002-2012
California, District 24 Democratic Party 1998 Party Changed at least once between 2002-2012
California, District 25 Republican Party 1993 No Party Change from 2002-2012
California, District 26 Democratic Party 2013 Party Changed at least once between 2002-2012
California, District 27 Democratic Party 2009 No Party Change from 2002-2012
California, District 28 Democratic Party 2001 No Party Change from 2002-2012
California, District 29 Democratic Party 1997 No Party Change from 2002-2012
California, District 30 Democratic Party 1997 No Party Change from 2002-2012
California, District 31 Republican Party 1999 Party Changed at least once between 2002-2012
California, District 32 Democratic Party 1999 No Party Change from 2002-2012
California, District 33 Democratic Party 1975 No Party Change from 2002-2012
California, District 34 Democratic Party 1993 No Party Change from 2002-2012
California, District 35 Democratic Party 2013 No Party Change from 2002-2012
California, District 36 Democratic Party 2013 No Party Change from 2002-2012
California, District 37 Democratic Party 2011 No Party Change from 2002-2012
California, District 38 Democratic Party 2003 No Party Change from 2002-2012
California, District 39 Republican Party 1993 Party Changed at least once between 2002-2012
California, District 40 Democratic Party 1993 Party Changed at least once between 2002-2012
California, District 41 Democratic Party 2013 Party Changed at least once between 2002-2012
California, District 42 Republican Party 1993 No Party Change from 2002-2012
California, District 43 Democratic Party 1991 No Party Change from 2002-2012
California, District 44 Democratic Party 2011 Party Changed at least once between 2002-2012
California, District 45 Republican Party 2005 No Party Change from 2002-2012
California, District 46 Democratic Party 1997 Party Changed at least once between 2002-2012
California, District 47 Democratic Party 2013 No Party Change from 2002-2012
California, District 48 Republican Party 1989 No Party Change from 2002-2012
California, District 49 Republican Party 2001 No Party Change from 2002-2012
California, District 50 Republican Party 2009 No Party Change from 2002-2012
California, District 51 Democratic Party 2013 No Party Change from 2002-2012
California, District 52 Democratic Party 2013 Party Changed at least once between 2002-2012
California, District 53 Democratic Party 2001 No Party Change from 2002-2012
Colorado, District 1 Democratic Party 1997 No Party Change from 2002-2012
Colorado, District 2 Democratic Party 2009 No Party Change from 2002-2012
Colorado, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Colorado, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Colorado, District 5 Republican Party 2007 No Party Change from 2002-2012
Colorado, District 6 Republican Party 2009 No Party Change from 2002-2012
Colorado, District 7 Democratic Party 2007 Party Changed at least once between 2002-2012
Connecticut, District 1 Democratic Party 1999 No Party Change from 2002-2012
Connecticut, District 2 Democratic Party 2007 Party Changed at least once between 2002-2012
Connecticut, District 3 Democratic Party 1991 No Party Change from 2002-2012
Connecticut, District 4 Democratic Party 2009 Party Changed at least once between 2002-2012
Connecticut, District 5 Democratic Party 2013 Party Changed at least once between 2002-2012
Delaware Democratic Party 2011 Party Changed at least once between 2002-2012
Florida, District 1 Republican Party 2001 No Party Change from 2002-2012
Florida, District 10 Republican Party 2011 No Party Change from 2002-2012
Florida, District 11 Republican Party 2011 Party Changed at least once between 2002-2012
Florida, District 12 Republican Party 2007 No Party Change from 2002-2012
Florida, District 13 Republican Party 1971 No Party Change from 2002-2012
Florida, District 14 Democratic Party 2007 Party Changed at least once between 2002-2012
Florida, District 15 Republican Party 2011 No Party Change from 2002-2012
Florida, District 16 Republican Party 2007 Party Changed at least once between 2002-2012
Florida, District 17 Republican Party 2009 Party Changed at least once between 2002-2012
Florida, District 18 Democratic Party 2013 Party Changed at least once between 2002-2012
Florida, District 19 Republican Party 2013 Party Changed at least once between 2002-2012
Florida, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
Florida, District 20 Democratic Party 1993 No Party Change from 2002-2012
Florida, District 21 Democratic Party 2010 Party Changed at least once between 2002-2012
Florida, District 22 Democratic Party 2013 Party Changed at least once between 2002-2012
Florida, District 23 Democratic Party 2005 No Party Change from 2002-2012
Florida, District 24 Democratic Party 2011 Party Changed at least once between 2002-2012
Florida, District 25 Republican Party 2011 No Party Change from 2002-2012
Florida, District 26 Democratic Party 2013 New district following 2010 Census
Florida, District 27 Republican Party 1989 New district following 2010 Census
Florida, District 3 Republican Party 2013 Party Changed at least once between 2002-2012
Florida, District 4 Republican Party 2001 No Party Change from 2002-2012
Florida, District 5 Democratic Party 1993 Party Changed at least once between 2002-2012
Florida, District 6 Republican Party 2013 No Party Change from 2002-2012
Florida, District 7 Republican Party 1993 No Party Change from 2002-2012
Florida, District 8 Republican Party 2009 Party Changed at least once between 2002-2012
Florida, District 9 Democratic Party 2013 Party Changed at least once between 2002-2012
Georgia, District 1 Republican Party 1993 No Party Change from 2002-2012
Georgia, District 10 Republican Party 2007 No Party Change from 2002-2012
Georgia, District 11 Republican Party 2003 No Party Change from 2002-2012
Georgia, District 12 Democratic Party 2005 Party Changed at least once between 2002-2012
Georgia, District 13 Democratic Party 2003 No Party Change from 2002-2012
Georgia, District 14 Republican Party 2013 New district following 2010 Census
Georgia, District 2 Democratic Party 1993 No Party Change from 2002-2012
Georgia, District 3 Republican Party 2007 Party Changed at least once between 2002-2012
Georgia, District 4 Democratic Party 2007 No Party Change from 2002-2012
Georgia, District 5 Democratic Party 1987 No Party Change from 2002-2012
Georgia, District 6 Republican Party 2005 No Party Change from 2002-2012
Georgia, District 7 Republican Party 2011 No Party Change from 2002-2012
Georgia, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Georgia, District 9 Republican Party 2013 No Party Change from 2002-2012
Hawaii, District 1 Democratic Party 2011 Party Changed at least once between 2002-2012
Hawaii, District 2 Democratic Party 2013 No Party Change from 2002-2012
Idaho, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Idaho, District 2 Republican Party 1999 No Party Change from 2002-2012
Illinois, District 1 Democratic Party 1993 No Party Change from 2002-2012
Illinois, District 2 Democratic Party No Party Change from 2002-2012
Illinois, District 3 Democratic Party 2005 No Party Change from 2002-2012
Illinois, District 4 Democratic Party 1993 No Party Change from 2002-2012
Illinois, District 5 Democratic Party 2009 No Party Change from 2002-2012
Illinois, District 6 Republican Party 2007 No Party Change from 2002-2012
Illinois, District 7 Democratic Party 1997 No Party Change from 2002-2012
Illinois, District 8 Democratic Party 2013 Party Changed at least once between 2002-2012
Illinois, District 9 Democratic Party 1999 No Party Change from 2002-2012
Illinois, District 10 Democratic Party 2013 Party Changed at least once between 2002-2012
Illinois, District 11 Democratic Party 2013 Party Changed at least once between 2002-2012
Illinois, District 12 Democratic Party 2013 No Party Change from 2002-2012
Illinois, District 13 Republican Party 2013 No Party Change from 2002-2012
Illinois, District 14 Republican Party 2011 Party Changed at least once between 2002-2012
Illinois, District 15 Republican Party 2013 No Party Change from 2002-2012
Illinois, District 16 Republican Party 2011 No Party Change from 2002-2012
Illinois, District 17 Democratic Party 2013 Party Changed at least once between 2002-2012
Illinois, District 18 Republican Party 2009 No Party Change from 2002-2012
Indiana, District 1 Democratic Party 1985 No Party Change from 2002-2012
Indiana, District 2 Republican Party 2013 Party Changed at least once between 2002-2012
Indiana, District 3 Republican Party 2010 No Party Change from 2002-2012
Indiana, District 4 Republican Party 2011 No Party Change from 2002-2012
Indiana, District 5 Republican Party 2013 No Party Change from 2002-2012
Indiana, District 6 Republican Party 2013 No Party Change from 2002-2012
Indiana, District 7 Democratic Party 2008 No Party Change from 2002-2012
Indiana, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Indiana, District 9 Republican Party 2011 Party Changed at least once between 2002-2012
Iowa, District 1 Democratic Party 2007 Party Changed at least once between 2002-2012
Iowa, District 2 Democratic Party 2007 Party Changed at least once between 2002-2012
Iowa, District 3 Republican Party 1995 Party Changed at least once between 2002-2012
Iowa, District 4 Republican Party 2003 No Party Change from 2002-2012
Kansas, District 1 Republican Party 2011 No Party Change from 2002-2012
Kansas, District 2 Republican Party 2009 Party Changed at least once between 2002-2012
Kansas, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Kansas, District 4 Republican Party 2011 No Party Change from 2002-2012
Kentucky, District 1 Republican Party 1995 No Party Change from 2002-2012
Kentucky, District 2 Republican Party 2009 No Party Change from 2002-2012
Kentucky, District 3 Democratic Party 2007 Party Changed at least once between 2002-2012
Kentucky, District 4 Republican Party 2013 No Party Change from 2002-2012
Kentucky, District 5 Republican Party 1981 No Party Change from 2002-2012
Kentucky, District 6 Republican Party 2013 Party Changed at least once between 2002-2012
Louisiana, District 1 Republican Party 2008 No Party Change from 2002-2012
Louisiana, District 2 Democratic Party 2008 Party Changed at least once between 2002-2012
Louisiana, District 3 Republican Party 2005 Party Changed at least once between 2002-2012
Louisiana, District 4 Republican Party 2009 No Party Change from 2002-2012
Louisiana, District 5 Republican Party 2003 No Party Change from 2002-2012
Louisiana, District 6 Republican Party 2009 Party Changed at least once between 2002-2012
Maine, District 1 Democratic Party 2009 No Party Change from 2002-2012
Maine, District 2 Democratic Party 2003 No Party Change from 2002-2012
Maryland, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Maryland, District 2 Democratic Party 2003 No Party Change from 2002-2012
Maryland, District 3 Democratic Party 2007 No Party Change from 2002-2012
Maryland, District 4 Democratic Party 2008 No Party Change from 2002-2012
Maryland, District 5 Democratic Party 1981 No Party Change from 2002-2012
Maryland, District 6 Democratic Party 2013 Party Changed at least once between 2002-2012
Maryland, District 7 Democratic Party 1996 No Party Change from 2002-2012
Maryland, District 8 Democratic Party 2003 No Party Change from 2002-2012
Massachusetts, District 1 Democratic Party 1989 No Party Change from 2002-2012
Massachusetts, District 2 Democratic Party 1989 No Party Change from 2002-2012
Massachusetts, District 3 Democratic Party 2007 No Party Change from 2002-2012
Massachusetts, District 4 Democratic Party 2013 No Party Change from 2002-2012
Massachusetts, District 5 Democratic Party 1976 No Party Change from 2002-2012
Massachusetts, District 6 Democratic Party 1997 No Party Change from 2002-2012
Massachusetts, District 7 Democratic Party 1999 No Party Change from 2002-2012
Massachusetts, District 8 Democratic Party 2001 No Party Change from 2002-2012
Massachusetts, District 9 Democratic Party 2011 No Party Change from 2002-2012
Michigan, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Michigan, District 2 Republican Party 2011 No Party Change from 2002-2012
Michigan, District 3 Republican Party 2011 No Party Change from 2002-2012
Michigan, District 4 Republican Party 1991 No Party Change from 2002-2012
Michigan, District 5 Democratic Party 2013 No Party Change from 2002-2012
Michigan, District 6 Republican Party 1987 No Party Change from 2002-2012
Michigan, District 7 Republican Party 2011 Party Changed at least once between 2002-2012
Michigan, District 8 Republican Party 2001 No Party Change from 2002-2012
Michigan, District 9 Democratic Party 1983 Party Changed at least once between 2002-2012
Michigan, District 10 Republican Party 2003 No Party Change from 2002-2012
Michigan, District 11 Republican Party 2013 No Party Change from 2002-2012
Michigan, District 12 Democratic Party 2011 No Party Change from 2002-2012
Michigan, District 13 Democratic Party 1965 No Party Change from 2002-2012
Michigan, District 14 Democratic Party 2009 No Party Change from 2002-2012
Minnesota, District 1 Democratic Party 2007 Party Changed at least once between 2002-2012
Minnesota, District 2 Republican Party 2003 No Party Change from 2002-2012
Minnesota, District 3 Republican Party 2009 No Party Change from 2002-2012
Minnesota, District 4 Democratic Party 2009 No Party Change from 2002-2012
Minnesota, District 5 Democratic Party 2007 No Party Change from 2002-2012
Minnesota, District 6 Republican Party 2007 No Party Change from 2002-2012
Minnesota, District 7 Democratic Party 1991 No Party Change from 2002-2012
Minnesota, District 8 Democratic Party 2013 Party Changed at least once between 2002-2012
Mississippi, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Mississippi, District 2 Democratic Party 2011 No Party Change from 2002-2012
Mississippi, District 3 Republican Party 2009 No Party Change from 2002-2012
Mississippi, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Missouri, District 1 Democratic Party 2001 No Party Change from 2002-2012
Missouri, District 2 Republican Party 2013 No Party Change from 2002-2012
Missouri, District 3 Republican Party 2009 Party Changed at least once between 2002-2012
Missouri, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Missouri, District 5 Democratic Party 2004 No Party Change from 2002-2012
Missouri, District 6 Republican Party 2001 No Party Change from 2002-2012
Missouri, District 7 Republican Party 2011 No Party Change from 2002-2012
Missouri, District 8 Republican Party 1996 No Party Change from 2002-2012
Montana, At-large District Republican Party 2013 No Party Change from 2002-2012
Nebraska, District 1 Republican Party 2005 No Party Change from 2002-2012
Nebraska, District 2 Republican Party 1999 No Party Change from 2002-2012
Nebraska, District 3 Republican Party 2007 No Party Change from 2002-2012
Nevada, District 1 Democratic Party 2013 No Party Change from 2002-2012
Nevada, District 2 Republican Party 2011 No Party Change from 2002-2012
Nevada, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Nevada, District 4 Democratic Party 2013 New district following 2010 Census
New Hampshire, District 1 Democratic Party 2013 Party Changed at least once between 2002-2012
New Hampshire, District 2 Democratic Party 2013 Party Changed at least once between 2002-2012
New Jersey, District 1 Democratic Party 1990 No Party Change from 2002-2012
New Jersey, District 2 Republican Party 1995 No Party Change from 2002-2012
New Jersey, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
New Jersey, District 4 Republican Party 1981 No Party Change from 2002-2012
New Jersey, District 5 Republican Party 2003 No Party Change from 2002-2012
New Jersey, District 6 Democratic Party 1993 No Party Change from 2002-2012
New Jersey, District 7 Republican Party 2009 No Party Change from 2002-2012
New Jersey, District 8 Democratic Party 2006 No Party Change from 2002-2012
New Jersey, District 9 Democratic Party 1997 No Party Change from 2002-2012
New Jersey, District 10 Democratic Party 2013 No Party Change from 2002-2012
New Jersey, District 11 Republican Party 1995 No Party Change from 2002-2012
New Jersey, District 12 Democratic Party 1999 No Party Change from 2002-2012
New Mexico, District 1 Democratic Party 2013 Party Changed at least once between 2002-2012
New Mexico, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
New Mexico, District 3 Democratic Party 2009 No Party Change from 2002-2012
New York, District 1 Democratic Party 2003 No Party Change from 2002-2012
New York, District 2 Republican Party 1993 Party Changed at least once between 2002-2012
New York, District 3 Democratic Party 2013 Party Changed at least once between 2002-2012
New York, District 4 Democratic Party 1997 No Party Change from 2002-2012
New York, District 5 Democratic Party 1998 No Party Change from 2002-2012
New York, District 6 Democratic Party 2013 No Party Change from 2002-2012
New York, District 7 Democratic Party 1993 No Party Change from 2002-2012
New York, District 8 Democratic Party 2013 No Party Change from 2002-2012
New York, District 9 Democratic Party 2007 Party Changed at least once between 2002-2012
New York, District 10 Democratic Party 1993 No Party Change from 2002-2012
New York, District 11 Republican Party 2011 Party Changed at least once between 2002-2012
New York, District 12 Democratic Party 1993 No Party Change from 2002-2012
New York, District 13 Democratic Party 1971 Party Changed at least once between 2002-2012
New York, District 14 Democratic Party 1999 No Party Change from 2002-2012
New York, District 15 Democratic Party 1973 No Party Change from 2002-2012
New York, District 16 Democratic Party 1989 No Party Change from 2002-2012
New York, District 17 Democratic Party 1989 No Party Change from 2002-2012
New York, District 18 Democratic Party 2013 No Party Change from 2002-2012
New York, District 19 Republican Party 2011 Party Changed at least once between 2002-2012
New York, District 20 Democratic Party 2009 Party Changed at least once between 2002-2012
New York, District 21 Democratic Party 2009 No Party Change from 2002-2012
New York, District 22 Republican Party 2011 Party Changed at least once between 2002-2012
New York, District 23 Republican Party 2010 Party Changed at least once between 2002-2012
New York, District 24 Democratic Party 2013 Party Changed at least once between 2002-2012
New York, District 25 Democratic Party 1987 Party Changed at least once between 2002-2012
New York, District 26 Democratic Party 2005 Party Changed at least once between 2002-2012
New York, District 27 Republican Party 2013 No Party Change from 2002-2012
North Carolina, District 1 Democratic Party 2004 No Party Change from 2002-2012
North Carolina, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
North Carolina, District 3 Republican Party 1995 No Party Change from 2002-2012
North Carolina, District 4 Democratic Party 1997 No Party Change from 2002-2012
North Carolina, District 5 Republican Party 2005 No Party Change from 2002-2012
North Carolina, District 6 Republican Party 1985 No Party Change from 2002-2012
North Carolina, District 7 Democratic Party 1997 No Party Change from 2002-2012
North Carolina, District 8 Republican Party 2013 Party Changed at least once between 2002-2012
North Carolina, District 9 Republican Party 2013 No Party Change from 2002-2012
North Carolina, District 10 Republican Party 2005 No Party Change from 2002-2012
North Carolina, District 11 Republican Party 2013 Party Changed at least once between 2002-2012
North Carolina, District 12 Democratic Party 1993 No Party Change from 2002-2012
North Carolina, District 13 Republican Party 2013 Party Changed at least once between 2002-2012
North Dakota Republican Party 2013 Party Changed at least once between 2002-2012
Ohio, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
Ohio, District 2 Republican Party 2013 No Party Change from 2002-2012
Ohio, District 3 Democratic Party 2013 Party Changed at least once between 2002-2012
Ohio, District 4 Republican Party 2007 No Party Change from 2002-2012
Ohio, District 5 Republican Party 2007 No Party Change from 2002-2012
Ohio, District 6 Republican Party 2011 Party Changed at least once between 2002-2012
Ohio, District 7 Republican Party 2011 No Party Change from 2002-2012
Ohio, District 8 Republican Party 1991 No Party Change from 2002-2012
Ohio, District 9 Democratic Party 1983 No Party Change from 2002-2012
Ohio, District 10 Republican Party 2003 Party Changed at least once between 2002-2012
Ohio, District 11 Democratic Party 2009 No Party Change from 2002-2012
Ohio, District 12 Republican Party 2000 No Party Change from 2002-2012
Ohio, District 13 Democratic Party 2003 No Party Change from 2002-2012
Ohio, District 14 Republican Party 2013 No Party Change from 2002-2012
Ohio, District 15 Republican Party 2011 Party Changed at least once between 2002-2012
Ohio, District 16 Republican Party 2011 Party Changed at least once between 2002-2012
Oklahoma, District 1 Republican Party 2013 No Party Change from 2002-2012
Oklahoma, District 2 Republican Party 2013 Party Changed at least once between 2002-2012
Oklahoma, District 3 Republican Party 1994 No Party Change from 2002-2012
Oklahoma, District 4 Republican Party 2003 No Party Change from 2002-2012
Oklahoma, District 5 Republican Party 2011 No Party Change from 2002-2012
Oregon, District 1 Democratic Party 2012 No Party Change from 2002-2012
Oregon, District 2 Republican Party 1999 No Party Change from 2002-2012
Oregon, District 3 Democratic Party 1996 No Party Change from 2002-2012
Oregon, District 4 Democratic Party 1987 No Party Change from 2002-2012
Oregon, District 5 Democratic Party 2009 No Party Change from 2002-2012
Pennsylvania, District 1 Democratic Party 1998 No Party Change from 2002-2012
Pennsylvania, District 2 Democratic Party 1995 No Party Change from 2002-2012
Pennsylvania, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 4 Republican Party 2013 Party Changed at least once between 2002-2012
Pennsylvania, District 5 Republican Party 2009 No Party Change from 2002-2012
Pennsylvania, District 6 Republican Party 2003 No Party Change from 2002-2012
Pennsylvania, District 7 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 9 Republican Party 2001 No Party Change from 2002-2012
Pennsylvania, District 10 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 11 Republican Party 2011 Party Changed at least once between 2002-2012
Pennsylvania, District 12 Republican Party 2013 Party Changed at least once between 2002-2012
Pennsylvania, District 13 Democratic Party 2005 No Party Change from 2002-2012
Pennsylvania, District 14 Democratic Party 1995 No Party Change from 2002-2012
Pennsylvania, District 15 Republican Party 2005 No Party Change from 2002-2012
Pennsylvania, District 16 Republican Party 1997 No Party Change from 2002-2012
Pennsylvania, District 17 Democratic Party 2013 No Party Change from 2002-2012
Pennsylvania, District 18 Republican Party 2003 No Party Change from 2002-2012
Rhode Island, District 1 Democratic Party 2011 No Party Change from 2002-2012
Rhode Island, District 2 Democratic Party 2001 No Party Change from 2002-2012
South Carolina, District 1 Republican Party 2011 No Party Change from 2002-2012
South Carolina, District 2 Republican Party 2001 No Party Change from 2002-2012
South Carolina, District 3 Republican Party 2011 No Party Change from 2002-2012
South Carolina, District 4 Republican Party 2011 No Party Change from 2002-2012
South Carolina, District 5 Republican Party 2011 Party Changed at least once between 2002-2012
South Carolina, District 6 Democratic Party 1993 No Party Change from 2002-2012
South Carolina, District 7 Republican Party 2013 New district following 2010 Census
South Dakota Republican Party 2011 Party Changed at least once between 2002-2012
Tennessee, District 1 Republican Party 2009 No Party Change from 2002-2012
Tennessee, District 2 Republican Party 1989 No Party Change from 2002-2012
Tennessee, District 3 Republican Party 2011 No Party Change from 2002-2012
Tennessee, District 4 Republican Party 2011 Party Changed at least once between 2002-2012
Tennessee, District 5 Democratic Party 2003 No Party Change from 2002-2012
Tennessee, District 6 Republican Party 2011 Party Changed at least once between 2002-2012
Tennessee, District 7 Republican Party 2003 No Party Change from 2002-2012
Tennessee, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Tennessee, District 9 Democratic Party 2007 No Party Change from 2002-2012
Texas, District 1 Republican Party 2005 Party Changed at least once between 2002-2012
Texas, District 2 Republican Party 2005 No Party Change from 2002-2012
Texas, District 3 Republican Party 1991 No Party Change from 2002-2012
Texas, District 4 Republican Party 1981 No Party Change from 2002-2012
Texas, District 5 Republican Party 2003 No Party Change from 2002-2012
Texas, District 6 Republican Party 1985 No Party Change from 2002-2012
Texas, District 7 Republican Party 2001 No Party Change from 2002-2012
Texas, District 8 Republican Party 1997 No Party Change from 2002-2012
Texas, District 9 Democratic Party 2005 No Party Change from 2002-2012
Texas, District 10 Republican Party 2005 Party Changed at least once between 2002-2012
Texas, District 11 Republican Party 2005 Party Changed at least once between 2002-2012
Texas, District 12 Republican Party 1997 No Party Change from 2002-2012
Texas, District 13 Republican Party 1995 No Party Change from 2002-2012
Texas, District 14 Republican Party 2013 No Party Change from 2002-2012
Texas, District 15 Democratic Party 1997 No Party Change from 2002-2012
Texas, District 16 Democratic Party 2013 No Party Change from 2002-2012
Texas, District 17 Republican Party 2011 Party Changed at least once between 2002-2012
Texas, District 18 Democratic Party 1995 No Party Change from 2002-2012
Texas, District 19 Republican Party 2003 No Party Change from 2002-2012
Texas, District 20 Democratic Party 2013 No Party Change from 2002-2012
Texas, District 21 Republican Party 1987 No Party Change from 2002-2012
Texas, District 22 Republican Party 2009 Party Changed at least once between 2002-2012
Texas, District 23 Democratic Party 2013 Party Changed at least once between 2002-2012
Texas, District 24 Republican Party 2005 Party Changed at least once between 2002-2012
Texas, District 25 Republican Party 2013 Party Changed at least once between 2002-2012
Texas, District 26 Republican Party 2003 No Party Change from 2002-2012
Texas, District 27 Republican Party 2011 Party Changed at least once between 2002-2012
Texas, District 28 Democratic Party 2005 No Party Change from 2002-2012
Texas, District 29 Democratic Party 1993 No Party Change from 2002-2012
Texas, District 30 Democratic Party 1993 No Party Change from 2002-2012
Texas, District 31 Republican Party 2003 No Party Change from 2002-2012
Texas, District 32 Republican Party 2003 No Party Change from 2002-2012
Texas, District 33 Democratic Party 2013 New district following 2010 Census
Texas, District 34 Democratic Party 2013 New district following 2010 Census
Texas, District 35 Democratic Party 1995 New district following 2010 Census
Texas, District 36 Republican Party 2013 New district following 2010 Census
Utah, District 1 Republican Party 2003 No Party Change from 2002-2012
Utah, District 2 Republican Party 2013 Party Changed at least once between 2002-2012
Utah, District 3 Republican Party 2009 No Party Change from 2002-2012
Utah, District 4 Democratic Party 2001 New district following 2010 Census
Vermont, At-Large Democratic Party 2007 Party Changed at least once between 2002-2012
Virginia, District 1 Republican Party 2007 No Party Change from 2002-2012
Virginia, District 2 Republican Party 2011 Party Changed at least once between 2002-2012
Virginia, District 3 Democratic Party 1993 No Party Change from 2002-2012
Virginia, District 4 Republican Party 2001 No Party Change from 2002-2012
Virginia, District 5 Republican Party 2011 Party Changed at least once between 2002-2012
Virginia, District 6 Republican Party 1993 No Party Change from 2002-2012
Virginia, District 7 Republican Party 2001 No Party Change from 2002-2012
Virginia, District 8 Democratic Party 1991 No Party Change from 2002-2012
Virginia, District 9 Republican Party 2011 Party Changed at least once between 2002-2012
Virginia, District 10 Republican Party 1981 No Party Change from 2002-2012
Virginia, District 11 Democratic Party 2009 No Party Change from 2002-2012
Washington, District 1 Democratic Party 2012 No Party Change from 2002-2012
Washington, District 2 Democratic Party 2001 No Party Change from 2002-2012
Washington, District 3 Republican Party 2011 Party Changed at least once between 2002-2012
Washington, District 4 Republican Party 1995 No Party Change from 2002-2012
Washington, District 5 Republican Party 2005 No Party Change from 2002-2012
Washington, District 6 Democratic Party 2013 No Party Change from 2002-2012
Washington, District 7 Democratic Party 1989 No Party Change from 2002-2012
Washington, District 8 Republican Party 2005 No Party Change from 2002-2012
Washington, District 9 Democratic Party 1997 No Party Change from 2002-2012
Washington, District 10 Democratic Party 2013 New district following 2010 Census
West Virginia, District 1 Republican Party 2011 Party Changed at least once between 2002-2012
West Virginia, District 2 Republican Party 2001 No Party Change from 2002-2012
West Virginia, District 3 Democratic Party 1993 No Party Change from 2002-2012
Wisconsin, District 1 Republican Party 1999 No Party Change from 2002-2012
Wisconsin, District 2 Democratic Party 2013 No Party Change from 2002-2012
Wisconsin, District 3 Democratic Party 1997 No Party Change from 2002-2012
Wisconsin, District 4 Democratic Party 2005 No Party Change from 2002-2012
Wisconsin, District 5 Republican Party 1979 No Party Change from 2002-2012
Wisconsin, District 6 Republican Party 1979 No Party Change from 2002-2012
Wisconsin, District 7 Republican Party 2011 Party Changed at least once between 2002-2012
Wisconsin, District 8 Republican Party 2011 Party Changed at least once between 2002-2012
Wyoming, At-Large Republican Party 2009 No Party Change from 2002-2012

See also

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