United States House Of Representatives Elections In Colorado, 2012

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	2012 U.S. Senate Elections

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

Candidate Filing Deadline	Primary Election	General Election
April 2, 2012	June 26, 2012	November 6, 2012

Primary: Colorado has a closed primary system, in which the selection of a party's candidates in an election is limited to registered party members.

Voter registration: Voters had to register to vote in the primary by March 5. For the general election, the voter registration deadline was October 9.^[1]

See also: Colorado elections, 2012

According to the New York Times race ratings in October 2012, two of the seven districts were considered to be in play. Those were the 3rd and 6th districts.^[2]

The Center for Voting and Democracy (Fairvote) projected that both Democrats and Republicans would win two seats. It did not make a projection for the remaining three districts.^[3]

Primary competitiveness[edit]

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

Colorado had the 46th most competitive congressional primaries in 2012, with 21.43% of major party primaries having been contested (3 out of 14). The national average was 54.31%.

Seven U.S. House incumbents sought re-election in Colorado in 2012. One of those seven (14.29%) faced a primary challenger. Nationwide, 200 out of the 386 incumbents seeking re-election faced a primary challenger (51.81%).

Partisan breakdown[edit]

Heading into the November 6 election, the Republican Party held four of the seven Congressional seats from Colorado.

Members of the U.S. House from Colorado -- Partisan Breakdown
Party		As of November 2012	After the 2012 Election
	Democratic Party	3	3
	Republican Party	4	4
Total		7	7

Incumbents[edit]

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

Name	Party	District
Cory Gardner	Republican	4
Diana DeGette	Democratic	1
Doug Lamborn	Republican	5
Ed Perlmutter	Democratic	7
Jared Polis	Democratic	2
Mike Coffman (Colorado)	Republican	6
Scott Tipton	Republican	3

Margin of victory for winners[edit]

There were a total of 7 seats up for election in 2012 in Colorado. 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
Colorado, District 1	Diana DeGette	41.5%	348,210	Danny Stroud
Colorado, District 2	Jared Polis	17.1%	421,580	Kevin Lundberg
Colorado, District 3	Scott Tipton	12.3%	347,247	Sal Pace
Colorado, District 4	Cory Gardner	21.7%	342,076	Brandon Shaffer
Colorado, District 5	Doug Lamborn	57.6%	307,231	Jim Pirtle
Colorado, District 6	Mike Coffman (Colorado)	2%	342,891	Joe Miklosi
Colorado, District 7	Ed Perlmutter	12.7%	340,970	Joe Coors, Jr.

General election candidates[edit]

This is a map of the congressional districts of Colorado 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	Diana DeGette Danny Stroud Frank Atwood Gary Swing Thomas Henry Juniel	Diana DeGette	Diana DeGette	No
2nd	Jared Polis Kevin Lundberg Randy Luallin Susan Hall	Jared Polis	Jared Polis	No
3rd	Sal Pace Scott Tipton Gregory Gilman Tisha Casida Morgan West Jaime McMillan	Scott Tipton	Scott Tipton	No
4th	Brandon Shaffer Cory Gardner Josh Gilliland Doug Aden	Cory Gardner	Cory Gardner	No
5th	Doug Lamborn George Allen Cantrell (write-in) Jim Pirtle Dave Anderson Kenneth R. Harvell Misha Luzov	Doug Lamborn	Doug Lamborn	No
6th	Joe Miklosi Mike Coffman Patrick Provost Kathy Polhemus	Mike Coffman	Mike Coffman	No
7th	Ed Perlmutter Joe Coors, Jr. Buck Bailey Douglas Campbell	Ed Perlmutter	Ed Perlmutter	No