United States House of Representatives elections in Connecticut, 2012

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	Primary Date ; August 14, 2012
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	2012 U.S. Senate Elections

The 2012 U.S. House of Representatives elections in Connecticut took place on November 6, 2012. Voters elected five candidates to serve in the U.S. House, one from each of the state's five congressional districts.

Candidate Filing Deadline	Primary Election	General Election
June 12, 2012	August 14, 2012	November 6, 2012

Primary: Connecticut is one of 16 states to use an open primary system. However, there is a three month waiting period if switching parties.^[1]

Voter registration: Voters may register in person to vote in the primary up until noon the day before the primary.^[1] (Information about registering to vote)

See also: Connecticut elections, 2012

According to the New York Times race ratings in October 2012, one of the five districts is considered to be "in play", District 5.^[2]^[3]

The Center for Voting and Democracy (Fairvote) projected that Democrats would win four districts while Republicans would win none. It did not make a projection for the remaining district.^[4]

Primary competitiveness

See also: National contested primary average during the 2012 U.S. congressional elections

Connecticut had the 41st most competitive congressional primaries in 2012, with 30% of major party primaries having been contested (3 out of 10). The national average was 54.31%.

Four U.S. House incumbents ran for re-election in Connecticut in 2012. 0 of those 4 (0%) faced a primary challenger. Nationwide, 200 out of the 386 incumbents seeking re-election faced a primary challenger (51.81%).

Partisan breakdown

Heading into the November 6 election, the Democratic Party held all five of the Congressional seats from Connecticut.

Members of the U.S. House from Connecticut -- Partisan Breakdown
Party		As of November 2012	After the 2012 Election
	Democratic Party	5	5
	Republican Party	0	0
Total		5	5

Incumbents

Heading into the 2012 election, the incumbents for the 5 congressional districts were:

Name	Party	District
Christopher S. Murphy	Democratic	5
James A. Himes	Democratic	4
Joe Courtney	Democratic	2
John B. Larson	Democratic	1
Rosa L. DeLauro	Democratic	3

Margin of victory for winners

There were a total of 5 seats up for election in 2012 in Connecticut. 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%.

District	Winner	Margin of Victory	Total Vote	Top Opponent
Connecticut, District 1	John B. Larson	42%	297,061	John Henry Decker
Connecticut, District 2	Joe Courtney	38.9%	299,960	Paul M Formica
Connecticut, District 3	Rosa L. DeLauro	49.4%	291,299	Wayne Winsley
Connecticut, District 4	Jim Himes	19.9%	293,432	Steve Obsitnik
Connecticut, District 5	Elizabeth Esty	2.6%	284,747	Andrew Roraback

General election candidates

This is a map of the congressional districts of Connecticut before and after the 2010 redistricting. The image also includes the partisan breakdown of the districts that are close in registration figures.

District	General Election Candidates	Incumbent	2012 Winner	Partisan Switch?
1st	John B. Larson John Henry Decker S. Michael DeRosa Matthew Corey	John Larson	John Larson	No
2nd	Joe Courtney Paul M Formica Dan Reale Colin D. Bennet	Joe Courtney	Joe Courtney	No
3rd	Rosa L. DeLauro Wayne Winsley	Rosa DeLauro	Rosa DeLauro	No
4th	Jim Himes Steve Obsitnik	James Himes	James Himes	No
5th	Elizabeth Esty Andrew Roraback John Pistone	Christopher S. Murphy	Elizabeth Esty	No

Candidates

Note: Election results were added on election night as races were called. Vote totals were added after official election results had been certified. Click here for more information about Ballotpedia's election coverage plan. Please contact us about errors in this list.