Ballotpedia's 2012 General Election Review Articles: Iowa Congressional Seats

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December 5, 2012

By Ballotpedia's Congressional team


MADISON, Wisconsin: Iowa had four U.S. House seats on the ballot in 2012, after one was removed in redistricting following the 2010 census. Five total incumbents sought re-election on November 6, 2012, with two incumbents, Leonard Boswell (D) and Tom Latham (R) running in the 3rd District. Latham, the incumbent from the old 4th District, won the election.

Here are the candidates who won election from Iowa.

District General Election Candidates Incumbent 2012 Winner Partisan Switch?
1st Democratic Party Bruce Braley
Republican Party Ben Lange
IndependentGregory Hughes
IndependentGeorge Todd Krail II
Bruce Braley Democratic Party Bruce Braley No
2nd Democratic Party Dave Loebsack
Republican Party John Archer
Dave Loebsack Democratic Party Dave Loebsack No
3rd Democratic Party Leonard Boswell
Republican Party Tom Latham
IndependentDavid Rosenfeld
IndependentScott G. Batcher
Leonard Boswell Republican Party Tom Latham Yes
4th Democratic Party Christie Vilsack
Republican Party Steve King
IndependentMartin James Monroe
Tom Latham Republican Party Steve King No
5th District Removed in Redistricting Steve King N/A N/A

Members of the U.S. House from Iowa -- Partisan Breakdown
Party As of November 2012 After the 2012 Election
     Democratic Party 3 2
     Republican Party 2 2
Total 5 4

Margin of victory for winners

There were a total of 4 seats up for election in 2012 in Iowa. The following table shows the margin of victory for each district winner, which is calculated by examining the percentage difference between the top-two vote getters. If the race was uncontested, the margin of victory is listed as 100%.
DistrictWinnerMargin of VictoryTotal VoteTop Opponent
U.S. House, Iowa District 1 General Election Democratic Party Bruce Braley15.4%390,590Ben Lange
U.S. House, Iowa District 2 General Election Democratic Party Dave Loebsack13.1%380,952John Archer
U.S. House, Iowa District 3 General Election Republican Party Tom Latham8.6%386,270Leonard Boswell
U.S. House, Iowa District 4 General Election Republican Party Steve King8.1%377,657Christie Vilsack

National picture

Both chambers of the United States Congress remain split after the November 6, 2012 election. Democrats increased their majority in the U.S. Senate while cutting into the Republicans majority in the U.S. House. Of the 435 candidates who won election to the U.S. House, 85 of them were challengers, which represents 19.5 percent of U.S. House members. Of those 85, 50 are Democratic and 35 are Republican. A total of 27 incumbents were defeated -- 10 Democratic and 17 Republican.

2012 United States House General Election Results
Party Total Winners Incumbent Winners Defeated Incumbents Incumbent Re-Election Rate** Non-Incumbent Winners
Democratic 201 151 10 93.8% 50
Republican 234 198 17 92.1% 35
TOTALS 435 349 27 92.8% 85
**Note: The incumbent re-election rate is calculated by dividing the total incumbents winners by the total incumbents who appeared on the general election ballot.
U.S. Senate Partisan Breakdown
Party As of November 2012 After the 2012 Election
     Democratic Party 51 53
     Republican Party 47 45
     Independent 2 2
Total 100 100
U.S. House Partisan Breakdown
Party As of November 2012 After the 2012 Election
     Democratic Party 193 201
     Republican Party 242 234
Total 435 435

See also