Colorado's 4th Congressional District elections, 2012

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Colorado's 4th Congressional District

General Election Date
November 6, 2012

Primary Date
June 26, 2012

November 6 Election Winner:
Cory Gardner Republican Party
Incumbent prior to election:
Cory Gardner Republican Party
Cory Gardner.jpg

Colorado U.S. House Elections
District 1District 2District 3District 4District 5District 6District 7

2012 U.S. Senate Elections

Flag of Colorado.png
The 4th Congressional District of Colorado held an election for the U.S. House of Representatives on November 6, 2012. Incumbent Cory Gardner won the election.[1]
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.[2]

See also: Colorado elections, 2012

Incumbent: Heading into the election the incumbent was Cory Gardner (R), who was first elected in 2010.

This was the first election using new district maps based on 2010 Census data. The 4th District is located in eastern Colorado and includes Las Animas, Otero, Crowley, Lincoln, Douglas, Elbett, Bent, Prowers, Baca, Kioawa, Cheyenne, Kit Carson, Yuma, Washington, Morgan, Weld, Logan, Phillips, Arapshoe and Sedgwick counties.[3]


General election candidates

Democratic Party Brandon Shaffer
Republican Party Cory GardnerGreen check mark transparent.png
Libertarian Party Josh Gilliland
Constitution Party Doug Aden

June 26, 2012 primary results

Democratic Party Democratic Primary

Republican Party Republican Primary

Libertarian Party Libertarian Candidate

Constitution Party American Constitution Party Primary

Election results

General Election

U.S. House, Colorado District 4 General Election, 2012
Party Candidate Vote % Votes
     Democratic Brandon Shaffer 36.8% 125,715
     Republican Green check mark transparent.pngCory Gardner Incumbent 58.4% 199,842
     Libertarian Josh Gilliland 3.1% 10,674
     Constitution Doug Aden 1.7% 5,845
Total Votes 342,076
Source: Colorado Secretary of State "Official Election Results, 2012 General Election"

Impact of redistricting

See also: Redistricting in Colorado

The 4th District was re-drawn after the 2010 Census. The new district is composed of the following percentages of voters of the old congressional districts.[5][6]

Registration statistics

As of October 22, 2012, District 4 had the following partisan registration breakdown according to the Colorado Secretary of State:

Colorado Congressional District 4[7]
Congressional District District Total Democrats Republicans Other & Unaffiliated Advantage Party Advantage Change in Advantage from 2010
District 4 319,356 74,690 148,311 96,355 Republican 98.57% 54.08%
"Party advantage" is the percentage gap between the two major parties in registered voters. "Change in advantage" is the spread in difference of party advantage between 2010 and 2012 based on the congressional district number only.

District partisanship

FairVote's Monopoly Politics 2012 study

See also: FairVote's Monopoly Politics 2012

In 2012, FairVote did a study on partisanship in the congressional districts, giving each a percentage ranking (D/R) based on the new 2012 maps and comparing that to the old 2010 maps. Colorado's 4th District became more Republican because of redistricting.[8]

  • 2012: 39D / 61R
  • 2010: 46D / 54R

Cook Political Report's PVI

See also: Cook Political Report's Partisan Voter Index

In 2012, Cook Political Report released its updated figures on the Partisan Voter Index, which measures each congressional district's partisanship relative to the rest of the country. Colorado's 4th Congressional District has a PVI of R+12, which is the 81st most Republican district in the country. In 2008, this district was won by John McCain (R), 57-43 percent over Barack Obama (D). In 2004, George W. Bush (R) won the district 65-35 percent over John Kerry (D).[9]

Campaign contributions

Candidates for Congress were required to file up to seven main reports with the Federal Election Commission during the 2012 elections season. Below are candidate reports.

Brandon Shaffer

Brandon Shaffer (2012) Campaign Finance Reports
ReportDate FiledBeginning BalanceTotal Contributions
for Reporting Period
ExpendituresCash on Hand
April Quarterly[10]April 15, 2012$165,221.58$114,368.91$(70,874.69)$208,715.80
Pre-Primary[11]June 14, 2012$208,715.80$64,810.96$(49,761.83)$223,764.93
Running totals

Cory Gardner

Cory Gardner (2012) Campaign Finance Reports
ReportDate FiledBeginning BalanceTotal Contributions
for Reporting Period
ExpendituresCash on Hand
April Quarterly[12]April 14, 2012$737,959.51$282,561.83$(145,633.86)$874,887.48
Pre-Primary[13]June 14, 2012$874,887.48$120,453.03$(112,121.22)$883,219.29
Running totals

District history


This is the 4th Congressional District prior to the 2010 redistricting.

On November 2, 2010, Cory Gardner won election to the United States House. He defeated Betsy Markey and Doug Aden in the general election.[14]

U.S. House, Colorado District 4 General Election, 2010
Party Candidate Vote % Votes
     Republican Green check mark transparent.pngCory Gardner 53.3% 138,634
     Democratic Betsy Markey Incumbent 42% 109,249
     American Constitution Doug Aden 4.7% 12,312
Total Votes 260,195

See also

External links