# 2012 United States House of Representatives elections in Arizona

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The 2012 United States House of Representatives elections in Arizona were held on Tuesday, November 6, 2012, to elect the nine U.S. representatives from the state, one from each of the state's nine congressional districts, including the newly created 9th district following the 2010 United States census. The elections coincided with other federal and state elections, including a quadrennial presidential election, and a U.S. Senate election. Primary elections were held on August 28, 2012.
Arizona was one of five states in which the party that won the state's popular vote did not win a majority of seats in 2012, the other states being Michigan, North Carolina, Pennsylvania, and Wisconsin.

## Overview

The table shows the number and percentage of votes, as well as the number of seats gained and lost, by each political party in the 2012 elections for the United States House of Representatives in Arizona.

### Statewide

| Party | Party | Candidates | Votes | Votes | Seats | Seats | Seats |
| Party | Party | Candidates | No. | % | No. | +/– | % |
| | Republican | 8 | 1,131,663 | 52.07 | 4 | 1 | 44.44 |
| | Democratic | 9 | 946,994 | 43.57 | 5 | 2 | 55.56 |
| | Libertarian | 7 | 82,282 | 3.79 | 0 | | 0.0 |
| | Americans Elect | 2 | 6,740 | 0.31 | 0 | | 0.0 |
| | Green | 1 | 5,637 | 0.26 | 0 | | 0.0 |
| | Write-in | 1 | 1 | 0.00 | 0 | | 0.0 |
| Total | Total | 28 | 2,173,317 | 100.0 | 9 | 1 | 100.0 |
Popular vote
Republican
52.07%
Democratic
43.57%
Libertarian
3.79%
Americans Elect
0.31%
Green
0.26%
Other
0.00% :
House seats
Democratic
55.56%
Republican
44.44% :

### By district

Results of the 2012 United States House of Representatives elections in Arizona by district:
| District | Republican | Republican | Democratic | Democratic | Others | Others | Total | Total | Result |
| District | Votes | % | Votes | % | Votes | % | Votes | % | Result |
| District 1 | 113,594 | 45.15% | 122,774 | 48.80% | 15,227 | 6.05% | 251,595 | 100.0% | Democratic gain |
| District 2 | 144,884 | 49.57% | 147,338 | 50.41% | 57 | 0.02% | 292,279 | 100.0% | Democratic hold |
| District 3 | 62,663 | 37.15% | 98,468 | 58.37% | 7,567 | 4.49% | 168,698 | 100.0% | Democratic hold |
| District 4 | 162,907 | 66.83% | 69,154 | 28.37% | 11,699 | 4.80% | 243,760 | 100.0% | Republican win |
| District 5 | 183,470 | 67.19% | 89,589 | 32.81% | 0 | 0.00% | 273,059 | 100.0% | Republican hold |
| District 6 | 179,706 | 61.30% | 97,666 | 33.31% | 15,805 | 5.39% | 293,177 | 100.0% | Republican hold |
| District 7 | 0 | 0.00% | 104,489 | 81.74% | 23,338 | 18.26% | 127,827 | 100.0% | Democratic hold |
| District 8 | 172,809 | 63.35% | 95,635 | 35.06% | 4,347 | 1.59% | 272,791 | 100.0% | Republican hold |
| District 9 | 111,630 | 44.63% | 121,881 | 48.73% | 16,620 | 6.64% | 250,131 | 100.0% | Democratic gain |
| Total | 1,131,663 | 52.07% | 946,994 | 43.57% | 94,660 | 4.36% | 2,173,317 | 100.0% | |

## Redistricting

Due to population gains reflected in the 2010 United States census, Arizona's congressional delegation increased from eight members to nine in 2012. In accordance with the Arizona Constitution, the Arizona Independent Redistricting Commission produced new congressional district maps for use in the 2012 and subsequent elections. In October, 2011, the commission released a draft map and by November 5 that year had completed a round of public hearings for input on the draft map. The map became final after being cleared for compliance with the Voting Rights Act by the United States Department of Justice, and established the official district boundaries for the 2012 elections.
On November 1, 2011, Arizona Governor Jan Brewer, with the approval of the Arizona Senate, removed Colleen Mathis, the commission's chair, charging Mathis was guilty of "failure to apply the Arizona Constitution's redistricting provisions in an honest, independent and impartial fashion." On November 17, the Arizona Supreme Court overturned Brewer's decision and reinstated Mathis. On November 21, Brewer asked the Supreme Court to reconsider its decision and to temporarily reverse Mathis' reinstatement. The Supreme Court refused. The map was pre-cleared by the U.S. Department of Justice on April 9, 2012, and was effect for the 2012 elections.

## District 1

Based upon the new map, the 1st district is slightly friendlier to Democrats than its predecessor. Incumbent Republican Paul Gosar, first elected in 2010, ran for election in the more conservative 4th district.

### Republican primary
#### Candidates
##### Nominee

* Jonathan Paton, state senator and candidate for the 8th district in 2010

##### Eliminated in primary

* Patrick Gatti
* Gaither Martin, former State Department official
* Douglas Wade, contractor

##### Withdrawn

* Doug McKee, contractor

##### Declined

* Paul Gosar, incumbent U.S. Representative (running in the 4th)
* Bill Konopnicki, former state representative
* Gary Pierce, member of the Arizona Corporation Commission

#### Primary results

Republican primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Jonathan Paton | 28,644 | 60.9 |
| | Republican | Gaither Martin | 8,958 | 19.0 |
| | Republican | Douglas Wade | 6,758 | 14.4 |
| | Republican | Patrick Gatti | 2,707 | 5.7 |
| Total votes | Total votes | Total votes | 47,067 | 100.0 |

### Democratic primary
#### Candidates
##### Nominee

* Ann Kirkpatrick, former U.S. representative

##### Eliminated in primary

* Wenona Benally Baldenegro, attorney and member of the Navajo Nation

##### Withdrawn

* Miguel Olivas, government consultant and former staffer for former U.S. Representative Rick Renzi

#### Endorsements

Labor unions
* United Steelworkers
Organizations
* Progressive Democrats of America

#### Primary results

Democratic primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ann Kirkpatrick | 33,831 | 63.7 |
| | Democratic | Wenona Benally Baldenegro | 19,247 | 36.3 |
| Total votes | Total votes | Total votes | 53,078 | 100.0 |
Baldenegro would have been the first Native American woman to serve in Congress had she had won the seat.

### Libertarian primary
#### Candidates
##### Nominee

* Kim Allen

#### Primary results

Libertarian primary results :
| Party | Party | Candidate | Votes | % |
| | Libertarian | Kim Allen (write-in) | 97 | 100.0 |
| Total votes | Total votes | Total votes | 97 | 100.0 |

### General election
#### Endorsements

U.S. Senators
* Jon Kyl, U.S. Senator (1995–2013, 2018)
U.S. Representatives
* Trent Franks, U.S. representative from Arizona's 2nd congressional district (2003–2017)
* Paul Gosar, U.S. representative from Arizona's 1st congressional district (2011–present)
* Jim Kolbe, U.S. representative from Arizona's 8th congressional district (1985–2007)
* Ben Quayle, U.S. representative from Arizona's 3rd congressional district (2011–present)
* David Schweikert, U.S. representative from Arizona's 5th congressional district (2011–present)
State officials
* Jan Brewer, Governor of Arizona (2009–present)
* Doug Ducey, State Treasurer of Arizona (2011–present)
* John Huppenthal, Arizona Superintendent of Public Instruction (2011–present)
State legislators
* Steve Pierce, President of the Arizona Senate
* Andy Tobin, Speaker of the Arizona House of Representatives
Organizations
* Gun Owners of America
* National Federation of Independent Business
* National Republican Congressional Committee "Young Guns" Program
* National Right to Life Committee
* Tea Party Express
* United States Chamber of Commerce
Newspapers
* Arizona Daily Star
* Arizona Republic
U.S. Representatives
* Ron Barber, U.S. representative from Arizona's 8th congressional district (2012–present)
State legislators
* Pete Hershberger (R), state representative (2001–2008)
Labor unions
* AFL-CIO
* American Federation of State, County and Municipal Employees
* American Nurses Association
* Fraternal Order of Police
* International Brotherhood of Boilermakers
* International Brotherhood of Electrical Workers
* National Association of Letter Carriers
* Service Employees International Union
* United Transportation Union
Organizations
* Democratic Congressional Campaign Committee "Red to Blue" Program
* EMILY's List
* Feminist Majority
* Human Rights Campaign
* NARAL Pro-Choice America
* National Organization for Women
* Planned Parenthood Action Fund
Newspapers
* Arizona Daily Sun
* White Mountain Independent
Newspapers
* Tucson Weekly

#### Polling

| Poll source | Date(s) administered | Sample size | Margin of error | Jonathan Paton (R) | Ann Kirkpatrick (D) | Undecided |
| NRCC (R) | October 4, 2012 | 501 | ±5.6% | 50% | 45% | 5% |
| North Star Opinion Research (R) | July 25–26, 2012 | 400 | ±4.9% | 43% | 46% | 11% |

#### Predictions

| Source | Ranking | As of |
| The Cook Political Report | Tossup | November 5, 2012 |
| Rothenberg | Tossup | November 2, 2012 |
| Roll Call | Tossup | November 4, 2012 |
| Sabato's Crystal Ball | Lean R | November 5, 2012 |
| NY Times | Tossup | November 4, 2012 |
| RCP | Tossup | November 4, 2012 |
| The Hill | Tossup | November 4, 2012 |

#### Results

Arizona's 1st congressional district, 2012 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ann Kirkpatrick | 122,774 | 48.8 |
| | Republican | Jonathan Paton | 113,594 | 45.1 |
| | Libertarian | Kim Allen | 15,227 | 6.1 |
| Majority | Majority | Majority | 9,180 | 3.7 |
| Total votes | Total votes | Total votes | 251,595 | 100.0 |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |

## District 2

After redistricting, most of the 2nd district was composed of land previously located in the 8th district and was thus more favorable to Democrats. Democrat Gabby Giffords, who had represented the 8th district since 2007, was seriously wounded in a mass shooting in January 2011 and resigned her congressional seat in January 2012. A special election was held in June 2012 under the boundaries of the then current 8th district, with a primary election held in April 2012; in November 2012, another election took place under the new boundaries of the 2nd district, with a primary scheduled for August 2012.

### Democratic primary
#### Candidates
##### Nominee

* Ron Barber, incumbent U.S. Representative

##### Eliminated in primary

* Matt Heinz, state representative

##### Withdrawn

* Paula Aboud, state senator
* Steve Farley, state representative
* Nomiki Konst, journalist and University of Arizona alumna

#### Primary results

Democratic primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ron Barber (incumbent) | 51,206 | 82.0 |
| | Democratic | Matt Heinz | 11,213 | 18.0 |
| | Democratic | Charlie Manolakis (write-in) | 4 | 0.0 |
| Total votes | Total votes | Total votes | 62,423 | 100.0 |

### Republican primary
#### Candidates
##### Nominee

* Martha McSally, retired U.S. Air Force Colonel and candidate for the 8th District in 2012 (special)

##### Eliminated in primary

* Mark Koskiniemi

##### Withdrawn

* Frank Antenori, state senator
* Jesse Kelly, U.S. Marine Corps veteran and nominee for the in 8th District in 2010 and 2012 (special)

##### Declined

* John Lervold, U.S. Army veteran and interrogation instructor at Fort Huachuca
* Dave Sitton, sports announcer for the University of Arizona and candidate for the 8th District in 2012 (special)

#### Primary results

Republican primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Martha McSally | 52,809 | 81.7 |
| | Republican | Mark Koskiniemi | 11,828 | 18.3 |
| Total votes | Total votes | Total votes | 64,637 | 100.0 |

### Libertarian primary
#### Candidates
##### Nominee

* Anthony Powell

### General election
#### Endorsements

Labor unions
* International Brotherhood of Boilermakers
* National Association of Letter Carriers
Organizations
* Council for a Livable World
* Democratic Congressional Campaign Committee "Frontline" Program
* Human Rights Campaign
* League of Conservation Voters
* NARAL Pro-Choice America
* Planned Parenthood Action Fund
Newspapers
* Arizona Daily Star
* Arizona Republic
* Sierra Vista Herald
* Tucson Weekly
Individuals
* General John A. Wickham Jr., former US Army Chief of Staff
U.S. Representatives
* Jim Kolbe, U.S. representative from Arizona's 8th congressional district (1985–2007)
Organizations
* Maggie's List
* National Federation of Independent Business
* National Republican Congressional Committee "Young Guns" Program
* National Rifle Association - Political Victory Fund
* National Right to Life Committee
* United States Chamber of Commerce

#### Polling

| Poll source | Date(s) administered | Sample size | Margin of error | Ron Barber (D) | Martha McSally (R) | Undecided |
| OnMessage Inc (R-McSally) | September 30–October 1, 2012 | 400 | ± 4.9% | 48% | 47% | 5% |
| Grove Insight (D-DCCC) | September 27–30, 2012 | 400 | ± ?% | 54% | 40% | 6% |
| OnMessage Inc (R-McSally) | August 7–8, 2012 | 400 | ± 4.9% | 50% | 45% | 5% |
| Greenberg Quinlan Rosner Research (D-Barber) | July 17–22, 2012 | 503 | ± 4.4% | 53% | 40% | 7% |

#### Predictions

| Source | Ranking | As of |
| The Cook Political Report | Lean D | November 5, 2012 |
| Rothenberg | Tilts D | November 2, 2012 |
| Roll Call | Lean D | November 4, 2012 |
| Sabato's Crystal Ball | Likely D | November 5, 2012 |
| NY Times | Tossup | November 4, 2012 |
| RCP | Lean D | November 4, 2012 |
| The Hill | Lean D | November 4, 2012 |

#### Results

Arizona's 2nd congressional district, 2012 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ron Barber (incumbent) | 147,338 | 50.4 |
| | Republican | Martha McSally | 144,884 | 49.6 |
| | Libertarian | Anthony Powell (write-in) | 57 | 0.0 |
| Majority | Majority | Majority | 2,454 | 0.8 |
| Total votes | Total votes | Total votes | 292,279 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 3

In the October 2011 redistricting, most of the 7th district became the 3rd district and was more favorable to Democrats. Incumbent Democrat Raúl M. Grijalva, first elected in 2002, said in February 2011 that he had no plans to run for the U.S. Senate.

### Democratic primary
#### Candidates
##### Nominee

* Raul Grijalva, incumbent U.S. Representative

##### Eliminated in primary

* Amanda Aguirre, former state senator
* Manny Arreguin, OB/GYN

##### Withdrawn

* David Crowe Robles, defense contractor

#### Endorsements

Labor unions
* United Steel Workers

#### Primary results

Democratic primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Raul Grijalva (incumbent) | 24,044 | 65.6 |
| | Democratic | Amanda Aguirre | 9,484 | 25.9 |
| | Democratic | Manny Arreguin | 3,105 | 8.5 |
| Total votes | Total votes | Total votes | 36,633 | 100.0 |

### Republican primary
#### Candidates
##### Nominee

* Gabriela Saucedo Mercer, conservative activist

##### Eliminated in primary

* Jaime Vasquez, businessman,

##### Declined

* Ruth McClung, nominee for the 7th district in 2010

#### Primary results

Republican primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Gabriela Saucedo Mercer | 12,474 | 65.3 |
| | Republican | Jaime Vasquez | 6,622 | 34.7 |
| Total votes | Total votes | Total votes | 19,096 | 100.0 |

### Libertarian primary
#### Candidates
##### Nominee

* Blanca Guerra

#### Primary results

Libertarian primary results :
| Party | Party | Candidate | Votes | % |
| | Libertarian | Blanca Guerra | 116 | 100.0 |
| Total votes | Total votes | Total votes | 116 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
* National Association of Letter Carriers
* National Education Association
Organizations
* Council for a Livable World
* Democracy for America
* Human Rights Campaign
* J Street
* League of Conservation Voters
* National Organization for Women
* Planned Parenthood Action Fund
* Progressive Change Campaign Committee
* Progressive Democrats of America
* Sierra Club
Newspapers
* Arizona Daily Star
* Tucson Weekly
State officials
* Jan Brewer, Governor of Arizona (2009–present)
Organizations
* Family Research Council
* Maggie's List
* National Right to Life Committee

#### Results

Arizona's 3rd congressional district, 2012 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Raúl M. Grijalva (incumbent) | 98,468 | 58.4 |
| | Republican | Gabriella Saucedo Mercer | 62,663 | 37.1 |
| | Libertarian | Bianca Guerra | 7,567 | 4.5 |
| Total votes | Total votes | Total votes | 168,698 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 4

The new 4th congressional district encompasses most of the rural areas in the old 2nd district, as well as significant portions of the old 1st, 5th, and 6th districts, according to the final maps Archived 2012-10-12 at the Wayback Machine of the Arizona Independent Redistricting Commission. The district is heavily Republican.
Paul Gosar, who had represented the 1st district since 2011 moved to Prescott in order to run in this district.

### Republican primary
#### Campaign

Babeu dropped his congressional bid on May 11, 2012, instead seeking re-election as sheriff. This came after he was accused of being lovers with an undocumented immigrant who he threatened with deportation to guarantee his silence. The Arizona solicitor general would later exonerate Babeu after an investigation.

#### Candidates
##### Nominee

* Paul Gosar, incumbent U.S. Representative for the 1st District

##### Eliminated in primary

* Ron Gould, state senator
* Rick Murphy, founder and owner of Murphy Broadcasting

##### Withdrawn

* Paul Babeu, sheriff of Pinal County

#### Primary results

Republican primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Paul Gosar (incumbent) | 40,033 | 51.3 |
| | Republican | Ron Gould | 24,617 | 31.6 |
| | Republican | Rick Murphy | 13,315 | 17.1 |
| Total votes | Total votes | Total votes | 77,965 | 100.0 |

### Democratic primary
#### Candidates
##### Nominee

* Johnnie Robinson

##### Eliminated in primary

* Mikel Weisser, author and political activist

#### Primary results

Democratic primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Johnnie Robinson | 10,185 | 50.1 |
| | Democratic | Mikel Weisser | 10,166 | 49.9 |
| Total votes | Total votes | Total votes | 20,351 | 100.0 |

### Libertarian primary
#### Candidates
##### Nominee

* Joe Pamelia, aerospace and defense professional

#### Primary results

Libertarian primary results :
| Party | Party | Candidate | Votes | % |
| | Libertarian | Joe Pamelia | 189 | 100.0 |
| Total votes | Total votes | Total votes | 189 | 100.0 |

### Americans Elect primary
#### Candidates
##### Nominee

* Richard Grayson, writer, political activist and performance artist

#### Primary results

Americans Elect primary results :
| Party | Party | Candidate | Votes | % |
| | Americans Elect | Richard Grayson (write-in) | 11 | 100.0 |
| Total votes | Total votes | Total votes | 11 | 100.0 |

### General election
#### Endorsements

Organizations
* National Rifle Association - Political Victory Fund
* National Right to Life Committee
* United States Chamber of Commerce

#### Results

Arizona's 4th congressional district, 2012 :
| Party | Party | Candidate | Votes | % |
| | Republican | Paul Gosar (incumbent) | 162,907 | 66.8 |
| | Democratic | Johnnie Robinson | 69,154 | 28.4 |
| | Libertarian | Joe Pamelia | 9,306 | 3.8 |
| | Americans Elect | Richard Grayson | 2,393 | 1.0 |
| Total votes | Total votes | Total votes | 243,760 | 100.0 |
| | Republican win (new seat) | Republican win (new seat) | Republican win (new seat) | Republican win (new seat) |

## District 5

With the October 2011 redistricting, most of the 6th district became the 5th district and continued to favor Republicans. Incumbent Republican Jeff Flake, who had represented this district since 2001, sought the Republican nomination for the U.S. Senate.

### Republican primary
#### Candidates
##### Nominee

* Matt Salmon, former U.S. Representative and nominee for governor in 2002

##### Eliminated in primary

* Kirk Adams, former speaker of the Arizona House of Representatives

##### Withdrawn

* Travis Grantham, Arizona Air National Guard captain
* Chuck Gray, former majority leader of the Arizona Senate

##### Declined

* Jeff Flake, incumbent U.S. Representative
* Russell Pearce, former president of the state senate

#### Primary results

Republican primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Matt Salmon | 41,078 | 51.8 |
| | Republican | Kirk Adams | 38,152 | 48.2 |
| Total votes | Total votes | Total votes | 79,230 | 100.0 |

### Democratic primary
#### Candidates
##### Nominee

* Spencer Morgan, student at Mesa Community College

#### Primary results

Democratic primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Spencer Morgan | 19,659 | 100.0 |
| Total votes | Total votes | Total votes | 19,659 | 100.0 |

### General election
#### Endorsements

Organizations
* Club for Growth
* National Republican Congressional Committee "Vanguard" Program
* National Rifle Association - Political Victory Fund
* National Right to Life Committee
* Team America PAC
* United States Chamber of Commerce

#### Results

Arizona's 5th congressional district, 2012 :
| Party | Party | Candidate | Votes | % |
| | Republican | Matt Salmon | 183,470 | 67.2 |
| | Democratic | Spencer Morgan | 89,589 | 32.8 |
| Total votes | Total votes | Total votes | 273,059 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 6

After redistricting, the bulk of David Schweikert's 5th district became the 9th district, while his home in Fountain Hills was drawn into the newly created 4th district. However, as soon as the maps were released, Schweikert announced he would run in the 6th district. That district had previously been the 3rd, represented by fellow Republican freshman Ben Quayle. However, in a statement announcing his re-election plans, Schweikert pointed out that he'd grown up in Scottsdale—most of which had been drawn into the 6th as well—had represented it in both the state house and in Congress, and owned a second home there. A revised map, however, placed Schweikert's home in Fountain Hills into the reconfigured 6th. Quayle, whose home in Phoenix had been drawn into the 9th but was just outside the boundaries of the 6th, opted to seek re-election in the 6th as well.

### Republican primary
#### Campaign

During the bitter primary campaign, Schweikert was widely criticised for a mailer that accused Quayle of "going both ways", suggesting that he was bisexual. On the reverse, the mailer listed issues on which it claimed Quayle had taken both liberal and conservative positions. Senator Jon Kyl said that "such campaign tactics insult the voters, degrade politics and expose those who stoop to them as unworthy of high office" and Senator John McCain said the mailer was one of the "worst that I have seen" and that it "crosses the boundary of decent political dialogue and discourse". Quayle's spokeswoman called the mailer "utterly false" and "a sleazy smear tactic". Schweikert's spokesman responded that people "should get their minds out of the gutter" because the mailer was "obviously" referring to "'both ways' – as in liberal and conservative". The Arizona Republic asked two political scientists to review the mailer, who both said that they had "never seen anybody accuse someone of flip-flopping [on political issues] that way" and said that it was "difficult to believe" that the sexual suggestion was unintentional.

#### Candidates
##### Nominee

* David Schweikert, incumbent U.S. Representative from the 5th District

##### Eliminated in primary

* Ben Quayle, incumbent U.S. Representative from the 3rd District

#### Primary results

Although the 6th contained almost two-thirds of Quayle's constituents, Schweikert defeated Quayle in the Republican primary—the real contest in this heavily Republican district—by 51.5 percent to Quayle's 48.5 percent.
Republican primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | David Schweikert (incumbent) | 41,821 | 51.5 |
| | Republican | Ben Quayle (incumbent) | 39,414 | 48.5 |
| Total votes | Total votes | Total votes | 81,235 | 100.0 |

### Democratic primary
#### Candidates
##### Nominee

* Matt Jette, business professor at the Thunderbird School of Global Management and Republican candidate for governor in 2010

##### Eliminated in primary

* W. John Williamson

#### Primary results

Democratic primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Matt Jette | 12,383 | 51.9 |
| | Democratic | W. John Williamson | 11,471 | 48.1 |
| Total votes | Total votes | Total votes | 23,854 | 100.0 |

### Libertarian primary
#### Candidates
##### Nominee

* Jack Anderson

#### Primary results

Libertarian primary results :
| Party | Party | Candidate | Votes | % |
| | Libertarian | Jack Anderson | 287 | 100.0 |
| Total votes | Total votes | Total votes | 287 | 100.0 |

### Green primary
#### Candidates
##### Nominee

* Mark Salazar

#### Primary results

Green primary results :
| Party | Party | Candidate | Votes | % |
| | Green | Mark Salazar (write-in) | 2 | 100.0 |
| Total votes | Total votes | Total votes | 2 | 100.0 |

### General election
#### Endorsements

Organizations
* Campaign for Working Families
* FreedomWorks
* National Rifle Association - Political Victory Fund
* National Right to Life Committee

#### Results

Arizona's 6th congressional district, 2012 :
| Party | Party | Candidate | Votes | % |
| | Republican | David Schweikert (incumbent) | 179,706 | 61.3 |
| | Democratic | Matt Jette | 97,666 | 33.3 |
| | Libertarian | Jack Anderson | 10,167 | 3.5 |
| | Green | Mark Salazar | 5,637 | 1.9 |
| | None | James Ketover (write-in) | 1 | 0.0 |
| Total votes | Total votes | Total votes | 293,177 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 7

In accordance with the redrawn boundaries, most of the 4th district became the 7th district and remained the most Democratic district in Arizona. Incumbent Democrat Ed Pastor considered a run for the U.S. Senate but decided against it.
State senator Kyrsten Sinema, who considered a bid for Congress and lived in the former 4th district, opted to run in the 9th district.

### Democratic primary
#### Candidates
##### Nominee

* Ed Pastor, incumbent U.S. Representative

##### Eliminated in primary

* Rebecca DeWitt

##### Declined

* Kyrsten Sinema, state senator

#### Primary results

Democratic primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ed Pastor (incumbent) | 22,664 | 79.0 |
| | Democratic | Rebecca DeWitt | 6,013 | 21.0 |
| Total votes | Total votes | Total votes | 28,677 | 100.0 |

### Republican primary
#### Candidates
##### Eliminated in primary

* Scott Fistler, perennial candidate

##### Declined

* José Peñalosa, attorney and candidate for 4th district in 2010

#### Primary results

Fistler did not receive enough write-in votes to appear on the general election ballot as a Republican.
Republican primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Scott Fistler (write-in) | 116 | 100.0 |
| Total votes | Total votes | Total votes | 116 | 100.0 |

### Libertarian primary
#### Candidates
##### Nominee

* Joe Cobb, retired economist and nominee for this seat in 2008 & 2010

#### Primary results

Libertarian primary results :
| Party | Party | Candidate | Votes | % |
| | Libertarian | Joe Cobb | 162 | 100.0 |
| Total votes | Total votes | Total votes | 162 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
* National Association of Letter Carriers
Organizations
* Human Rights Campaign
* Humane Society of the United States
* J Street
* Planned Parenthood Action Fund
* Sierra Club

#### Results

Arizona's 7th congressional district, 2012 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ed Pastor (incumbent) | 104,489 | 81.7 |
| | Libertarian | Joe Cobb | 23,338 | 18.3 |
| Total votes | Total votes | Total votes | 127,827 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 8

With the new map, most of the Maricopa County portion of the old 2nd district was renumbered as the 8th district and made more favorable to Republicans. Incumbent Republican Trent Franks, who had considered running for the U.S. Senate, instead ran for re-election.

### Republican primary
#### Candidates
##### Nominee

* Trent Franks, incumbent U.S. Representative

##### Eliminated in primary

* Tony Passalacqua, Navy veteran

#### Primary results

Republican primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Trent Franks (incumbent) | 57,257 | 83.2 |
| | Republican | Tony Passalacqua | 11,572 | 16.8 |
| | Republican | Helmuth Hack (write-in) | 18 | 0.0 |
| Total votes | Total votes | Total votes | 68,847 | 100.0 |

### Democratic primary
#### Candidates
##### Nominee

* Gene Scharer, educator, nominee for this seat in 2000 and candidate in 2006

#### Primary results

Democratic primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Gene Scharer | 24,510 | 100.0 |
| Total votes | Total votes | Total votes | 24,510 | 100.0 |

### Americans Elect primary
#### Candidates
##### Nominee

* Stephen Dolgos

#### Primary results

Americans Elect primary results :
| Party | Party | Candidate | Votes | % |
| | Americans Elect | Stephen Dolgos | 34 | 100.0 |
| Total votes | Total votes | Total votes | 34 | 100.0 |

### General election
#### Endorsements

Organizations
* Campaign for Working Families
* National Rifle Association - Political Victory Fund
* National Right to Life Committee
* United States Chamber of Commerce

#### Results

Arizona's 8th congressional district, 2012 :
| Party | Party | Candidate | Votes | % |
| | Republican | Trent Franks (incumbent) | 172,809 | 63.3 |
| | Democratic | Gene Scharer | 95,635 | 35.1 |
| | Americans Elect | Stephen Dolgos | 4,347 | 1.6 |
| Total votes | Total votes | Total votes | 272,791 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 9

With the new map, most of the old 5th district became the 9th district. It now encompassed portions of southern Phoenix, as well as all of Tempe and parts of Scottsdale, Mesa, Chandler and Paradise Valley. It was not considered safe for either party.

### Republican primary
#### Candidates
##### Nominee

* Vernon Parker, former mayor of Paradise Valley and candidate for the 3rd district in 2010

##### Eliminated in primary

* Lisa Borowsky, Scottsdale city councilwoman
* Leah Campos Schandlbauer, former CIA officer
* Travis Grantham, Air Force veteran
* Wendy Rogers, Air Force veteran
* Martin Sepulveda, former Chandler city councilman
* Jeff Thompson, former businessman

##### Withdrawn

* Don Stapley, member of the Maricopa County Board of Supervisors

##### Declined

* Sal DiCiccio, member of the Phoenix City Council;
* Hugh Hallman, Mayor of Tempe
* Steve Moak, businessman and candidate for the 3rd district in 2010
* Gary Pierce, member of the Arizona Corporation Commission
* Ben Quayle, incumbent U.S. Representative from the 3rd District
* David Schweikert, incumbent U.S. Representative from the 5th District

#### Primary results

Republican primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Vernon B. Parker | 11,184 | 22.5 |
| | Republican | Wendy Rogers | 10,479 | 21.0 |
| | Republican | Martin Sepulveda | 10,165 | 20.4 |
| | Republican | Travis Grantham | 9,179 | 18.4 |
| | Republican | Jeff Thompson | 3,358 | 6.7 |
| | Republican | Lisa Borowsky | 3,281 | 6.6 |
| | Republican | Leah Campos Schandlbauer | 2,139 | 4.3 |
| Total votes | Total votes | Total votes | 49,785 | 100.0 |

### Democratic primary
#### Candidates
##### Nominee

* Kyrsten Sinema, state senator

##### Eliminated in primary

* Andrei Cherny, former Arizona Democratic Party chairman
* David Schapira, minority leader of the Arizona Senate

##### Declined

* Neil Giuliano, former mayor of Tempe
* Jon Hulburd, lawyer, small businessman and nominee for the 3rd district in 2010
* Harry Mitchell, former U.S. Representative

#### Endorsements

Labor unions
* AFL-CIO

#### Primary results

Democratic primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Kyrsten Sinema | 15,536 | 40.8 |
| | Democratic | David Schapira | 11,419 | 30.0 |
| | Democratic | Andrei Cherny | 11,146 | 29.2 |
| Total votes | Total votes | Total votes | 38,101 | 100.0 |

### Libertarian primary
#### Primary results

Libertarian primary results :
| Party | Party | Candidate | Votes | % |
| | Libertarian | Powell Gammill (write-in) | 90 | 100.0 |
| Total votes | Total votes | Total votes | 90 | 100.0 |

### General election
#### Debate

2012 Arizona's 9th congressional district debate :
| No. | Date | Host | Moderator | Link | Democratic | Republican | Libertarian |
| Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | | | |
| Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Key: P Participant  A Absent  N Not invited  I Invited W Withdrawn | Kyrsten Sinema | Vernon Parker | Powell Gammill |
| 1 | Oct. 18, 2012 | Arizona PBS | Ted Simons | Arizona PBS | P | P |

#### Endorsements

Organizations
* Gun Owners of America
* National Republican Congressional Committee "Young Guns" Program
* National Rifle Association - Political Victory Fund
* National Right to Life Committee
* United States Chamber of Commerce
Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
* National Education Association
* United Steelworkers
Organizations
* Council for a Livable World
* Democratic Congressional Campaign Committee "Red to Blue" Program
* EMILY's List
* Feminist Majority
* Gay & Lesbian Political Victory Fund
* Human Rights Campaign
* Humane Society of the United States
* League of Conservation Voters
* NARAL Pro-Choice America
* National Organization for Women
* Planned Parenthood Action Fund

#### Polling

| Poll source | Date(s) administered | Sample size | Margin of error | Vernon Parker (R) | Kyrsten Sinema (D) | Undecided |
| Summit (R-Parker) | October 15, 2012 | 600 | ±4.2% | 44% | 42% | 14% |
| Anzalone-Liszt (D-DCCC) | September 9–11, 2012 | 400 | ±4.9% | 45% | 48% | 7% |
| GBA Strategies (D-House Majority PAC) | September 8–9, 2012 | 400 | ±4.9% | 41% | 45% | 14% |

#### Predictions

| Source | Ranking | As of |
| The Cook Political Report | Lean D (flip) | November 5, 2012 |
| Rothenberg | Tilts D (flip) | November 2, 2012 |
| Roll Call | Tossup | November 4, 2012 |
| Sabato's Crystal Ball | Lean D (flip) | November 5, 2012 |
| NY Times | Lean D (flip) | November 4, 2012 |
| RCP | Lean D (flip) | November 4, 2012 |
| The Hill | Tossup | November 4, 2012 |

#### Results

Kyrsten Sinema was officially declared the winner on November 12, 2012.
Arizona's 9th congressional district, 2012 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Kyrsten Sinema | 121,881 | 48.7 |
| | Republican | Vernon Parker | 111,630 | 44.6 |
| | Libertarian | Powell E. Gammill | 16,620 | 6.6 |
| Majority | Majority | Majority | 10,251 | 4.1 |
| Total votes | Total votes | Total votes | 250,131 | 100.0 |
| | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican | Democratic gain from Republican |