# 2016 United States House of Representatives elections in California

"none" is preferred when the title is already sufficiently detailed; see [[WP:SDNONE]]
Elections in California :
Federal governmentU.S. President
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2026 :
State governmentExecutive Governor
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Lieutenant governor
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Attorney general
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Secretary of state
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Treasurer
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Controller
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Insurance commissioner
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Superintendent
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Board of equalization
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Legislature Senate
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Special
Assembly
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Special
Judiciary Court of appeals
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Elections by year
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2024 :
State propositions1910–1919
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7
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Full list :
Los Angeles CountyLos Angeles County Board of supervisors
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2020
2022
2024
Ballot measures
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A
2008
R
2012
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J
2016
M
Elections
2020
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2024
Los Angeles Mayor
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City attorney
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Ballot measures
1986
U
2017
S
Elections
2009
2011
2013
2015
2017
2019 (sp)
2020
2022
2023 (sp)
2024
Long Beach Mayor
1994
1998
2002
2006
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2014
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2022 :
Orange CountyOrange County Board of supervisors
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2024
District attorney
2018
Anaheim Mayor
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2022
Irvine Mayor
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Costa Mesa Municipal
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2024 :
SacramentoMayor
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2024 :
San Diego CountySan Diego County Board of supervisors
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San Diego Mayor
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City attorney
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City council
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Special :
San FranciscoMayor
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District attorney
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Board of supervisors
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Board of education
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Ballot measures
2024
G
Elections
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Feb :
San JoseMayor
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Other localities
Bakersfield
Mayoral elections:
2004
2008
2012
2016
2020
2024
Fresno
Mayoral elections:
1996
2000
2004
2008
2012
2016
2020
2024
Oakland
Mayoral elections:
1994
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2018
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2025
Riverside
Mayoral elections:
1997
2001
2005
2009
2012
2016
2020
2024
San Bernardino
Mayoral elections:
2005
2009
2014
2018
2022
Stockton
Mayoral elections:
2008
2012
2016
2020
2024 :
vte :
The 2016 United States House of Representatives elections in California were held on Tuesday, November 8, 2016, with a primary election on June 7, 2016. Voters elected the 53 U.S. representatives from the state of California, one from each of the state's 53 congressional districts. The elections coincided with the elections of other offices, including a presidential election, as well as other elections to the House of Representatives, elections to the United States Senate and various state and local elections.
All seats in California retained their partisan control from the 2014 house elections.

## Overview

United States House of Representatives elections in California, 2016 Primary election — June 7, 2016 :
| Party | Party | Votes | Percentage | Candidates | Advancing to general | Seats contesting |
| | Democratic | 4,915,447 | 63.91% | 99 | 60 | 53 |
| | Republican | 2,624,761 | 34.13% | 86 | 44 | 44 |
| | No party preference | 122,209 | 1.59% | 19 | 2 | 2 |
| | Green | 14,302 | 0.19% | 2 | 0 | 0 |
| | Libertarian | 8,154 | 0.11% | 2 | 0 | 0 |
| | Peace and Freedom | 6,400 | 0.08% | 1 | 0 | 0 |
| Valid votes | Valid votes | 7,691,273 | 89.97% | — | — | — |
| Invalid votes | Invalid votes | 857,028 | 10.03% | — | — | — |
| Totals | Totals | 8,548,301 | 100.00% | 209 | 106 | — |
| Voter turnout | Voter turnout | 47.72% | 47.72% | | | |
United States House of Representatives elections in California, 2016 General election — November 8, 2016 :
| Party | Party | Votes | Percentage | Seats | +/– |
| | Democratic | 7,417,967 | 63.49% | 39 | |
| | Republican | 4,172,087 | 35.71% | 14 | |
| | No party preference | 94,312 | 0.81% | 0 | |
| Valid votes | Valid votes | | | — | — |
| Invalid votes | Invalid votes | | | — | — |
| Totals | Totals | 11,684,366 | 100.00% | 53 | — |
| Voter turnout | Voter turnout | | | | |

## Competitive districts

The following are the predictions for House districts where at least one out of the Cook Political Report, Daily Kos Elections, the Rothenberg Political Report, Sabato's Crystal Ball, and RealClearPolitics did not agree that the district was "safe Democratic" or "safe Republican" (59 races total as of October 27). Incumbent Lois Capps did not seek reelection, signified by parentheses around her name. Note that safeness of a district is not necessarily a prediction as to outcome, nor final margin of victory.
| District | CPVI | Incumbent | First elected | 2014 result | Cook Nov 7, 2016 | DKE Nov 7, 2016 | Roth. Nov 3, 2016 | Sab. Nov 7, 2016 | RCP Oct 31, 2016 | Winner |
| California 7 | EVEN | Ami Bera (D) | 2012 | 50.4% D | Leans D | Leans D | Leans D | Leans D | Leans D | Ami Bera |
| California 10 | R+1 | Jeff Denham (R) | 2010 | 56.2% R | Toss-up | Toss-up | Leans R | Leans D | Leans R | Jeff Denham |
| California 21 | D+2 | David Valadao (R) | 2012 | 57.8% R | Leans R | Leans R | R Favored | Leans R | Likely R | David Valadao |
| California 24 | D+4 | (Lois Capps) (D) | 1998 | 51.9% D | Leans D | Leans D | D Favored | Leans D | Leans D | Salud Carbajal |
| California 25 | R+3 | Steve Knight (R) | 2014 | 53.3% R | Toss-up | Toss-up | R Favored | Leans D | Toss-up | Steve Knight |
| California 49 | R+4 | Darrell Issa (R) | 2000 | 60.2% R | Toss-up | Toss-up | Tilt R | Leans D | Toss-up | Darrell Issa |
| California 52 | D+2 | Scott Peters (D) | 2012 | 51.6% D | Solid D | Safe D | Safe D | Safe D | Likely D | Scott Peters |

## District 1

The 1st district is based in inland Northern California and includes Chico and Redding. Incumbent Republican Doug LaMalfa, who had represented the 1st district since 2013, ran for re-election.

### Primary election
#### Republican candidates
##### Advanced to general

* Doug LaMalfa, incumbent U.S. Representative

##### Eliminated in primary

* Gregory Cheadle, real estate broker and candidate for this seat in 2012 & 2014
* Joe Montes, small businessman
* Gary Allen Oxley, emergency room nurse

##### Withdrawn

* Doug Wright, attorney

#### Democratic candidates
##### Advanced to general

* Jim Reed, attorney and nominee for this seat in 2010 & 2012

##### Eliminated in primary

* David Peterson, accountability system developer and candidate for the 12th district in 2012 & 2014

#### Endorsements

Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Doug LaMalfa (incumbent) | 86,136 | 40.8 |
| | Democratic | Jim Reed | 59,665 | 28.3 |
| | Republican | Joe Montes | 35,875 | 17.0 |
| | Democratic | David Peterson | 13,430 | 6.4 |
| | Republican | Gary Allen Oxley | 6,885 | 3.3 |
| | No party preference | Jeff Gerlach | 4,958 | 2.3 |
| | Republican | Gregory Cheadle | 4,217 | 2.0 |
| Total votes | Total votes | Total votes | 211,166 | 100.0 |

### General election
#### Endorsements

Organizations
* Campaign for Working Families
Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers

#### Results

California's 1st congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Doug LaMalfa (incumbent) | 185,448 | 59.1 |
| | Democratic | Jim Reed | 128,588 | 40.9 |
| Total votes | Total votes | Total votes | 314,036 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 2

The 2nd district is based in California's North Coast and includes Marin County and Eureka. Incumbent Democrat Jared Huffman, who had represented the 2nd district since 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Jared Huffman, incumbent U.S. Representative

##### Eliminated in primary

* Erin A. Schrode, social entrepreneur

#### Republican candidates
##### Advanced to general

* Dale K. Mensing, cashier

#### Independent candidates
##### Eliminated in primary

* Matthew Robert Wookey, middle school teacher

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Jared Huffman (incumbent) | 157,897 | 68.3 |
| | Republican | Dale K. Mensing | 36,187 | 15.7 |
| | Democratic | Erin A. Schrode | 20,998 | 9.1 |
| | No party preference | Matthew Robert Wookey | 16,092 | 7.0 |
| | Democratic | Andrew Augustine Caffrey (write-in) | 6 | 0.0 |
| Total votes | Total votes | Total votes | 231,180 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 2nd congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Jared Huffman (incumbent) | 254,194 | 76.9 |
| | Republican | Dale K. Mensing | 76,572 | 23.1 |
| Total votes | Total votes | Total votes | 330,766 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 3

The 3rd district is based in north central California and includes Davis, Fairfield, and Yuba City. Incumbent Democrat John Garamendi, who had represented the 3rd district since 2013 and previously represented the 10th district from 2009 to 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* John Garamendi, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Eugene Cleek, trauma surgeon

##### Eliminated in primary

* Ryan Detert, engineer and entrepreneur

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | John Garamendi (incumbent) | 98,430 | 63.1 |
| | Republican | N. Eugene Cleek | 37,843 | 24.3 |
| | Republican | Ryan Detert | 19,699 | 12.7 |
| Total votes | Total votes | Total votes | 155,972 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 3rd congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | John Garamendi (incumbent) | 152,513 | 59.4 |
| | Republican | N. Eugene Cleek | 104,453 | 40.6 |
| Total votes | Total votes | Total votes | 256,966 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 4

The 4th district is based in east central California and includes Lake Tahoe, Roseville, and Yosemite National Park. Incumbent Republican Tom McClintock, who had represented the 4th district since 2009, ran for re-election.

### Primary election
#### Republican candidates
##### Advanced to general

* Tom McClintock, incumbent U.S. Representative

##### Withdrawn

* Art Moore, business executive, management consultant and candidate for this seat in 2014

#### Democratic candidates
##### Advanced to general

* Robert Derlet, physician

##### Eliminated in primary

* Sean White, solar instructor and author

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Tom McClintock (incumbent) | 135,626 | 61.5 |
| | Democratic | Robert W. Derlet | 60,574 | 27.5 |
| | Democratic | Sean White | 24,460 | 11.1 |
| Total votes | Total votes | Total votes | 220,660 | 100.0 |

### General election
#### Endorsements

Organizations
* Campaign for Working Families
Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers

#### Results

California's 4th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Tom McClintock (incumbent) | 220,133 | 62.7 |
| | Democratic | Robert W. Derlet | 130,845 | 37.3 |
| Total votes | Total votes | Total votes | 350,978 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 5

The 5th district is based in the North Bay and includes Napa, Santa Rosa, and Vallejo. Incumbent Democrat Mike Thompson, who had represented the 5th district since 2013 and previously represented the 1st district from 1999 to 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Mike Thompson, incumbent U.S. Representative

##### Eliminated in primary

* Nils Palsson, community builder and educator
* Alex Poling, systems administrator

#### Republican candidates
##### Advanced to general

* Carlos Santamaria, business owner and consultant

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Mike Thompson (incumbent) | 124,634 | 65.7 |
| | Republican | Carlos Santamaria | 36,430 | 19.2 |
| | Democratic | Nils Palsson | 23,639 | 12.5 |
| | Democratic | Alex Poling | 4,998 | 2.6 |
| Total votes | Total votes | Total votes | 189,701 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
Organizations
* Blue Dog Coalition
* Equality California

#### Results

California's 5th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Mike Thompson (incumbent) | 224,526 | 76.9 |
| | Republican | Carlos Santamaria | 67,565 | 23.1 |
| Total votes | Total votes | Total votes | 292,091 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 6

The 6th district is based in north central California and includes Sacramento. Incumbent Democrat Doris Matsui, who had represented the 6th district since 2013 and previously represented the 5th district from 2005 to 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Doris Matsui, incumbent U.S. Representative

##### Eliminated in primary

* Jrmar Jefferson, community volunteer

#### Republican candidates
##### Advanced to general

* Robert Evans, retired government auditor

#### Independent candidates
##### Eliminated in primary

* Mario Galván, teacher
* Yuriy Seretskiy, software engineer

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Doris Matsui (incumbent) | 99,599 | 70.4 |
| | Republican | Robert (Bob) Evans | 26,000 | 18.4 |
| | Democratic | Jrmar Jefferson | 7,631 | 5.4 |
| | No party preference | Mario Galván | 6,354 | 4.5 |
| | No party preference | Yuriy Seretskiy | 1,930 | 1.4 |
| Total votes | Total votes | Total votes | 141,514 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 6th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Doris Matsui (incumbent) | 177,565 | 75.4 |
| | Republican | Robert (Bob) Evans | 57,848 | 24.6 |
| Total votes | Total votes | Total votes | 235,413 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 7

The 7th district is based in north central California and includes eastern Sacramento County. Incumbent Democrat Ami Bera, who had represented the 7th district since 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Ami Bera, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Scott Jones, Sacramento County Sheriff

##### Declined

* Roberta MacGlashan, Sacramento County Supervisor
* John McGinness, former Sacramento County Sheriff
* Roger Niello, former state assembly member
* Doug Ose, former U.S. Representative

#### Endorsements

Labor unions
* Service Employees International Union
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ami Bera (incumbent) | 93,506 | 54.0 |
| | Republican | Scott Jones | 79,640 | 46.0 |
| Total votes | Total votes | Total votes | 173,146 | 100.0 |

### General election
#### Campaign

On May 10, Bera's father, Bob Bera, pleaded guilty to two felony counts of violating campaign finance laws, having made the maximum allowed contribution to his son's campaign in both the 2010 and 2012 election and then got friends and relatives to do the same. Bob Bera would then reimburse them, effectively circumventing campaign finance laws, funnelling $250,000 to the campaign. Ami Bera released a statement claiming to be unaware of his father's activity. He said, "I am incredibly saddened and disappointed in learning what my dad did. While I deeply love my father, it's clear he has made a grave mistake that will have real consequences for him. Neither I, no anyone involved with my campaign, was aware of my father's activities until we learned about them from the U.S. Attorney's Office." Bera also said that he returned the illegal contributions to the U.S. Treasury.
On August 18, Bob Bera was sentenced to a year in prison and fined $100,000. Bera's campaign manager said of the ruling, "This is one of the most difficult experiences of Congressman Bera's and his entire family's lives. Babulal Bera made a grave mistake and he now has to face the consequences of that."

#### Endorsements

Labor unions
* Service Employees International Union
Organizations
* Democratic Congressional Campaign Committee "Frontline" Program
* End Citizens United
* Equality California
Organizations
* Campaign for Working Families
* National Republican Congressional Committee "Young Guns" Program

#### Debate

2016 California's 7th congressional district debate :
| No. | Date | Host | Moderator | Link | Democratic | Republican |
| 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 | Ami Bera | Scott Jones |
| 1 | October 18, 2016 | Capital Public Radio Folsom Lake College KVIE Los Rios Community College District The Sacramento Bee | Jason Schoultz | | P | P |

#### Polling

| Poll source | Date(s) administered | Sample size | Margin of error | Ami Bera (D) | Scott Jones (R) | Undecided |
| Tulchin Research (DCCC) | October 10–12, 2016 | 400 | ± 4.9% | 50% | 39% | 11% |
| Public Opinion Strategies (R-Jones)/NRCC) | October 1–3, 2016 | 400 | ± 4.9% | 42% | 47% | 11% |
| Public Opinion Strategies (R-Jones) | August 14–17, 2016 | 400 | ± 4.9% | 46% | 45% | 9% |
| NMB Research (R-CLF) | August 9–11, 2016 | 400 | ± 4.9% | 45% | 46% | 9% |

#### Predictions

| Source | Ranking | As of |
| The Cook Political Report | Lean D | November 7, 2016 |
| Daily Kos Elections | Lean D | November 7, 2016 |
| Rothenberg | Lean D | November 3, 2016 |
| Sabato's Crystal Ball | Lean D | November 7, 2016 |
| RCP | Lean D | October 31, 2016 |

#### Results

California's 7th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ami Bera (incumbent) | 152,133 | 51.2 |
| | Republican | Scott Jones | 145,168 | 48.8 |
| Total votes | Total votes | Total votes | 297,301 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 8

The 8th district is based in the eastern High Desert and includes Victorville and Yucaipa. Incumbent Republican Paul Cook, who had represented the 8th district since 2013, ran for re-election.

### Primary election
#### Republican candidates
##### Advanced to general

* Paul Cook, incumbent U.S. Representative

##### Eliminated in primary

* Tim Donnelly, former state assembly member and candidate for governor in 2014

#### Democratic candidates
##### Advanced to general

* Rita Ramirez, retired college professor

##### Eliminated in primary

* Roger La Plante, retired army sergeant
* John Pinkerton, Victor Valley community college trustee

#### Endorsements

Labor unions
* AFL-CIO

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Paul Cook (incumbent) | 50,425 | 42.0 |
| | Democratic | Rita Ramirez | 26,325 | 21.9 |
| | Republican | Tim Donnelly | 24,886 | 20.7 |
| | Democratic | John Pinkerton | 11,780 | 9.8 |
| | Democratic | Roger La Plante | 6,661 | 5.5 |
| Total votes | Total votes | Total votes | 120,077 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers

#### Results

California's 8th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Paul Cook (incumbent) | 136,972 | 62.3 |
| | Democratic | Rita Ramirez | 83,035 | 37.7 |
| Total votes | Total votes | Total votes | 220,007 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 9

The 9th district is based in the Central Valley and includes the San Joaquin Delta and Stockton. Incumbent Democrat Jerry McNerney, who had represented the 9th district since 2013 and previously represented the 11th district from 2007 to 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Jerry McNerney, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Antonio "Tony" Amador, retired U.S. Marshal and general election candidate for this seat in 2014

##### Eliminated in primary

* Kathryn Nance, Stockton Police Sergeant

#### Libertarian candidates
##### Eliminated in primary

* Alex Appleby, manager and financial advisor

#### Endorsements

Labor unions
* AFL-CIO
* Service Employees International Union
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Jerry McNerney (incumbent) | 71,634 | 55.3 |
| | Republican | Antonio C. "Tony" Amador | 28,161 | 21.7 |
| | Republican | Kathryn Nance | 24,783 | 19.1 |
| | Libertarian | Alex Appleby | 5,029 | 3.9 |
| Total votes | Total votes | Total votes | 129,607 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
* Service Employees International Union
Organizations
* Equality California

#### Results

California's 9th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Jerry McNerney (incumbent) | 133,163 | 57.4 |
| | Republican | Antonio C. "Tony" Amador | 98,992 | 42.6 |
| Total votes | Total votes | Total votes | 232,155 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 10

The 10th district is based in the Central Valley and includes Modesto and Tracy. Incumbent Republican Jeff Denham, who had represented the 10th district since 2013 and previously represented the 19th district from 2011 to 2013, ran for re-election.

### Primary election
#### Republican candidates
##### Advanced to general

* Jeff Denham, incumbent U.S. Representative

##### Eliminated in primary

* Robert Hodges, farmer

#### Democratic candidates
##### Advanced to general

* Michael Eggman, farmer, small businessman and general election candidate for this seat in 2014

##### Eliminated in primary

* Michael J. "Mike" Barkley, accountant and candidate for this seat in 2014

#### Endorsements

Labor unions
* AFL-CIO
* Service Employees International Union
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Jeff Denham (incumbent) | 61,290 | 47.7 |
| | Democratic | Michael Eggman | 35,413 | 27.4 |
| | Democratic | Michael J. "Mike" Barkley | 18,576 | 14.5 |
| | Republican | Robert Hodges | 13,130 | 10.2 |
| Total votes | Total votes | Total votes | 128,409 | 100.0 |

### General election
#### Endorsements

Organizations
* BIPAC
* National Republican Congressional Committee "Patriot" Program
Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
* Service Employees International Union
Organizations
* Democratic Congressional Campaign Committee "Red to Blue" Program
* End Citizens United
* Equality California

#### Polling

| Poll source | Date(s) administered | Sample size | Margin of error | Jeff Denham (R) | Michael Eggman (D) | Undecided |
| Anzalone Liszt Grove (D-Eggman) | October 12–16, 2016 | 500 | ± 4.4% | 42% | 47% | 11% |
| Clarity Campaign Labs (D-House Majority PAC) | October 11–13, 2016 | 837 | ± 3.4% | 45% | 46% | 9% |
| Public Opinion Strategies (R-Denham)/NRCC) | August 28–30, 2016 | 400 | ± 4.9% | 57% | 35% | 8% |
| Latino Decisions (DCCC) | August 18–22, 2016 | 402 | ± 4.9% | 46% | 43% | 11% |

#### Predictions

| Source | Ranking | As of |
| The Cook Political Report | Tossup | November 7, 2016 |
| Daily Kos Elections | Tossup | November 7, 2016 |
| Rothenberg | Lean R | November 3, 2016 |
| Sabato's Crystal Ball | Lean D (flip) | November 7, 2016 |
| RCP | Lean R | October 31, 2016 |

#### Results

California's 10th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Jeff Denham (incumbent) | 124,671 | 51.7 |
| | Democratic | Michael Eggman | 116,470 | 48.3 |
| Total votes | Total votes | Total votes | 241,141 | 100 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 11

The 11th district is based in the East Bay and includes Concord and Richmond. Incumbent Democrat Mark DeSaulnier, who had represented the 11th district since 2015, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Mark DeSaulnier, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Roger Allen Petersen, retired HR manager

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Mark DeSaulnier (incumbent) | 133,317 | 75.3 |
| | Republican | Roger Allen Petersen | 43,654 | 24.7 |
| Total votes | Total votes | Total votes | 176,971 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 11th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Mark DeSaulnier (incumbent) | 214,868 | 72.1 |
| | Republican | Roger Allen Petersen | 83,341 | 27.9 |
| Total votes | Total votes | Total votes | 298,209 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 12

The 12th district is based in the Bay Area and includes most of San Francisco. Incumbent Democrat Nancy Pelosi, who had represented the 12th district since 2013 and previously represented the 8th district from 1993 to 2013 and the 5th district from 1987 until 1993, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Nancy Pelosi, incumbent U.S. Representative

#### Republican candidates
##### Eliminated in primary

* Bob Miller, retired electrician

#### Green candidates
##### Eliminated in primary

* Barry Hermanson, retired entrepreneur and candidate for this seat in 2012 & 2014

#### Independent candidates
##### Advanced to general

* Preston Picus, teacher, author and coach

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Nancy Pelosi (incumbent) | 169,537 | 78.1 |
| | No party preference | Preston Picus | 16,633 | 7.7 |
| | Republican | Bob Miller | 16,583 | 7.6 |
| | Green | Barry Hermanson | 14,289 | 6.6 |
| Total votes | Total votes | Total votes | 217,042 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 12th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Nancy Pelosi (incumbent) | 274,035 | 80.9 |
| | No party preference | Preston Picus | 64,810 | 19.1 |
| Total votes | Total votes | Total votes | 338,845 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 13

The 13th district is based in the East Bay and includes Berkeley and Oakland. Incumbent Democrat Barbara Lee, who had represented the 13th district since 2013 and previously represented the 9th district from 1998 to 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Barbara Lee, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Sue Caro, retired realtor

#### Endorsements

Labor unions
* AFL-CIO
* Service Employees International Union
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Barbara Lee (incumbent) | 192,227 | 92.0 |
| | Republican | Sue Caro | 16,818 | 8.0 |
| Total votes | Total votes | Total votes | 209,045 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
* Service Employees International Union
Organizations
* Equality California
* Progressive Democrats of America

#### Results

California's 13th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Barbara Lee (incumbent) | 293,117 | 90.8 |
| | Republican | Sue Caro | 29,754 | 9.2 |
| Total votes | Total votes | Total votes | 322,871 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 14

The 14th district is based in the Bay Area and includes most of San Mateo County. Incumbent Democrat Jackie Speier, who had represented the 14th district since 2013 and previously represented the 12th district from 2008 to 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Jackie Speier, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Angel Cardenas

#### Endorsements

Labor unions
* AFL-CIO
* Service Employees International Union
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Jackie Speier (incumbent) | 144,719 | 99.0 |
| | Republican | Angel Cardenas (write-in) | 1,400 | 1.0 |
| Total votes | Total votes | Total votes | 146,119 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 14th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Jackie Speier (incumbent) | 231,630 | 80.9 |
| | Republican | Angel Cardenas | 54,817 | 19.1 |
| Total votes | Total votes | Total votes | 286,447 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 15

The 15th district is based in the East Bay and includes Hayward and Livermore. Incumbent Democrat Eric Swalwell, who had represented the 15th district since 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Eric Swalwell, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Danny R. Turner, businessman

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Eric Swalwell (incumbent) | 110,803 | 76.5 |
| | Republican | Danny R. Turner | 34,032 | 23.5 |
| Total votes | Total votes | Total votes | 144,835 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
Organizations
* End Citizens United
* Equality California

#### Results

California's 15th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Eric Swalwell (incumbent) | 198,578 | 73.8 |
| | Republican | Danny R. Turner | 70,619 | 26.2 |
| Total votes | Total votes | Total votes | 269,197 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 16

The 16th district is based in the Central Valley and includes Fresno and Merced. Incumbent Democrat Jim Costa, who had represented the 16th district since 2013 and previously represented the 20th district from 2005 to 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Jim Costa, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Johnny M. Tacherra, farmer, candidate for this seat in 2012 and general election candidate for this seat in 2014

##### Eliminated in primary

* David Rogers, small businessman

#### Green candidates
##### Eliminated in primary

* Richard Gomez

#### Endorsements

Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Jim Costa (incumbent) | 52,822 | 55.9 |
| | Republican | Johnny M. Tacherra | 31,028 | 32.8 |
| | Republican | David Rogers | 10,606 | 11.2 |
| | Green | Richard Gomez (write-in) | 13 | 0.0 |
| Total votes | Total votes | Total votes | 94,469 | 100.0 |

### General election
#### Endorsements

Organizations
* Blue Dog Coalition
* End Citizens United

#### Results

California's 16th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Jim Costa (incumbent) | 97,473 | 58.0 |
| | Republican | Johnny M. Tacherra | 70,483 | 42.0 |
| Total votes | Total votes | Total votes | 167,956 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 17

The 17th district is based in the Bay Area and includes Sunnyvale, Cupertino, Santa Clara, Fremont, and Milpitas. Incumbent Democrat Mike Honda, who had represented the 17th district since 2013 and previously represented the 15th district from 2001 to 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Mike Honda, incumbent U.S. Representative
* Ro Khanna, former Deputy Assistant Secretary in the United States Department of Commerce, candidate for the 12th district in 2004 and general election candidate for this seat in 2014

##### Eliminated in primary

* Pierluigi Oliverio, San Jose City Council member

#### Republican candidates
##### Eliminated in primary

* Ron Cohen, certified public accountant
* Peter Kuo, small business owner

#### Libertarian candidates
##### Eliminated in primary

* Kennita Watson, retired quality engineer

#### Campaign

Khanna took no donations from PACs or corporations for his 2016 campaign, raising $480,500 from individuals associated with the securities and investment industries and $170,752 from individuals associated with the electronics manufacturing industry. All these donations were subject to the $2,700 individual contributions cap.

#### Endorsements

U.S. Senators
* Barbara Boxer, U.S. Senator (D-CA)
* Dianne Feinstein, U.S. Senator (D-CA)
U.S. Representatives
* Ami Bera, U.S. Representative (CA-7)
* Jared Huffman, U.S. Representative (CA-2)
* Barbara Lee, U.S. Representative (CA-13)
* Zoe Lofgren, U.S. Representative (CA-19)
* Jerry McNerney, U.S. Representative (CA-9)
* Nancy Pelosi, U.S. Representative (CA-12) and former Speaker of the House
State officials
* John Chiang, State Treasurer
* Kamala Harris, State Attorney General
* Dave Jones, Insurance Commissioner of California
* Tom Torlakson, Superintendent of Public Instruction
* Betty Yee, California State Controller
Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
* Service Employees International Union
Organizations
* California Democratic Party
* Equality California
* Progressive Change Campaign Committee
U.S. Executive Branch officials
* Jimmy Carter, 39th President of the United States
State officials
* Gavin Newsom, Lieutenant Governor of California
* Alex Padilla, Secretary of State of California
State legislators
* Kevin de León, President pro tempore of the California State Senate
Labor unions
* Laborers' International Union of North America

#### Polling

| Poll source | Date(s) administered | Sample size | Margin of error | Mike Honda (D) | Ro Khanna (D) | Pierluigi Oliverio (D) | Ron Cohen (R) | Peter Kuo (R) | Kennita Watson (L) | Undecided |
| SurveyUSA | May 18–23, 2016 | 564 | ± 4.2% | 31% | 25% | 2% | 7% | 5% | 2% | 29% |

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ro Khanna | 52,059 | 39.1 |
| | Democratic | Mike Honda (incumbent) | 49,823 | 37.4 |
| | Republican | Peter Kuo | 12,224 | 9.2 |
| | Republican | Ron Cohen | 10,448 | 7.8 |
| | Democratic | Pierluigi Oliverio | 5,533 | 4.2 |
| | Libertarian | Kennita Watson | 3,125 | 2.3 |
| Total votes | Total votes | Total votes | 133,212 | 100.0 |

### General election
#### Polling

| Poll source | Date(s) administered | Sample size | Margin of error | Mike Honda (D) | Ro Khanna (D) | Undecided |
| SurveyUSA | October 4–7, 2016 | 550 | 4.3% | 37% | 38% | 26% |

#### Results

California's 17th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ro Khanna | 142,268 | 61.0 |
| | Democratic | Mike Honda (incumbent) | 90,924 | 39.0 |
| Total votes | Total votes | Total votes | 233,192 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 18

The 18th district is based in the Bay Area and includes Palo Alto, Redwood City, and Saratoga. Incumbent Democrat Anna Eshoo, who had represented the 18th district since 2013 and previously represented the 14th district from 1993 to 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Anna Eshoo, incumbent U.S. Representative

##### Eliminated in primary

* Bob Harlow

#### Republican candidates
##### Advanced to general

* Richard B. Fox, physician and attorney

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Anna Eshoo (incumbent) | 132,726 | 68.2 |
| | Republican | Richard B. Fox | 47,484 | 24.4 |
| | Democratic | Bob Harlow | 14,411 | 7.4 |
| Total votes | Total votes | Total votes | 194,621 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 18th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Anna Eshoo (incumbent) | 230,460 | 71.1 |
| | Republican | Richard B. Fox | 93,470 | 28.9 |
| Total votes | Total votes | Total votes | 323,930 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 19

The 19th district is based in the South Bay and includes most of San Jose. Incumbent Democrat Zoe Lofgren, who had represented the 19th district since 2013 and previously represented the 16th district from 1995 to 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Zoe Lofgren, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* G. Burt Lancaster, economic technology consultant

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Zoe Lofgren (incumbent) | 107,773 | 76.1 |
| | Republican | G. Burt Lancaster | 33,889 | 23.9 |
| Total votes | Total votes | Total votes | 194,251 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 19th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Zoe Lofgren (incumbent) | 181,802 | 73.9 |
| | Republican | G. Burt Lancaster | 64,061 | 26.1 |
| Total votes | Total votes | Total votes | 245,863 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 20

The 20th district is based in the Central Coast and includes Monterey and Santa Cruz. Incumbent Democrat Sam Farr, who had represented the 20th district since 2013 and previously represented the 17th district from 1993 to 2013, retired.

### Primary election
#### Democratic candidates
##### Advanced to general

* Jimmy Panetta, Monterey County Deputy District Attorney and son of Leon Panetta

##### Declined

* Sam Farr, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Casey Lucius, Pacific Grove Council member and national security professor

#### Peace and Freedom candidates
##### Eliminated in primary

* Joe Williams, hospital laboratory technician

#### Independent candidates
##### Eliminated in primary

* Jack Digby, ironworker
* Barbara Honegger, investigative journalist and author

##### Withdrawn

* Matt Bruner

#### Endorsements

Labor unions
* AFL-CIO
* Service Employees International Union
Organizations
* California Democratic Party
* Equality California

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Jimmy Panetta | 116,826 | 70.8 |
| | Republican | Casey Lucius | 32,726 | 19.8 |
| | Peace and Freedom | Joe Williams | 6,400 | 3.9 |
| | No party preference | Barbara Honegger | 6,054 | 3.7 |
| | No party preference | Jack Digby | 2,932 | 1.8 |
| Total votes | Total votes | Total votes | 164,938 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
* Service Employees International Union
Organizations
* Equality California
* VoteVets

#### Results

California's 20th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Jimmy Panetta | 180,980 | 70.8 |
| | Republican | Casey Lucius | 74,811 | 29.2 |
| Total votes | Total votes | Total votes | 255,791 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 21

The 21st district is based in the Central Valley and includes Hanford and parts of Bakersfield. Incumbent Republican David Valadao, who had represented the 21st district since 2013, ran for re-election.

### Primary election
#### Republican candidates
##### Advanced to general

* David Valadao, incumbent U.S. Representative

#### Democratic candidates
##### Advanced to general

* Emilio Huerta, civil rights attorney and son of Dolores Huerta

##### Eliminated in primary

* Daniel Parra, Fowler Mayor Pro Tem and defense analyst

##### Withdrawn

* Connie Perez, accountant

##### Declined

* Amanda Renteria, former chief of staff for Senator Debbie Stabenow and general election candidate for this seat in 2014

#### Endorsements

Labor unions
* AFL-CIO (joint with Parra)
Labor unions
* AFL-CIO (joint with Huerta)

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | David Valadao (incumbent) | 37,367 | 54.0 |
| | Democratic | Emilio Huerta | 16,743 | 24.2 |
| | Democratic | Daniel Parra | 15,056 | 21.8 |
| Total votes | Total votes | Total votes | 69,166 | 100.0 |

### General election
#### Endorsements

Organizations
* BIPAC
* National Republican Congressional Committee "Patriot" Program
Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
* Service Employees International Union
Organizations
* Democratic Congressional Campaign Committee "Red to Blue" Program
* Equality California
* Progressive Democrats of America

#### Debate

2016 California's 21st congressional district debate :
| No. | Date | Host | Moderator | Link | Republican | Democratic |
| 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 | David Valadao | Emilio Huerta |
| 1 | October 20, 2016 | KGET-TV | Evan Onstot Jim Scott | | P | P |

#### Predictions

| Source | Ranking | As of |
| The Cook Political Report | Lean R | November 7, 2016 |
| Daily Kos Elections | Lean R | November 7, 2016 |
| Rothenberg | Likely R | November 3, 2016 |
| Sabato's Crystal Ball | Lean R | November 7, 2016 |
| RCP | Likely R | October 31, 2016 |

#### Results

California's 21st congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | David Valadao (incumbent) | 75,126 | 56.7 |
| | Democratic | Emilio Huerta | 57,282 | 43.3 |
| Total votes | Total votes | Total votes | 132,408 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 22

The 22nd district is based in the Central Valley and includes Clovis, Tulare, and Visalia. Incumbent Republican Devin Nunes, who had represented the 22nd district since 2013 and previously represented the 21st district from 2003 to 2013, ran for re-election.

### Primary election
#### Republican candidates
##### Advanced to general

* Devin Nunes, incumbent U.S. Representative

##### Eliminated in primary

* Teresita Andres, retired business owner

#### Democratic candidates
##### Advanced to general

* Louie Campos, accelerated instruction tutor

#### Endorsements

Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Devin Nunes (incumbent) | 86,479 | 63.8 |
| | Democratic | Louie J. Campos | 40,247 | 29.7 |
| | Republican | Teresita "Tess" Andres | 8,808 | 6.5 |
| Total votes | Total votes | Total votes | 135,534 | 100.0 |

### General election
#### Endorsements

Organizations
* Campaign for Working Families
Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers

#### Results

California's 22nd congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Devin Nunes (incumbent) | 158,755 | 67.6 |
| | Democratic | Louie J. Campos | 76,211 | 32.4 |
| Total votes | Total votes | Total votes | 234,966 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 23

The 23rd district is based in the southern Central Valley and includes parts of Bakersfield. Incumbent Republican House Majority Leader Kevin McCarthy, who had represented the 23rd district since 2013 and previously represented the 22nd district from 2007 to 2013, ran for re-election.

### Primary election
#### Republican candidates
##### Advanced to general

* Kevin McCarthy, incumbent U.S. Representative

##### Eliminated in primary

* Ken Mettler, independent businessman
* Gerald Morris, gun room salesman

#### Democratic candidates
##### Advanced to general

* Wendy Reed, businesswoman and community advocate

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Kevin McCarthy (incumbent) | 76,166 | 55.5 |
| | Democratic | Wendy Reed | 37,696 | 27.4 |
| | Republican | Ken Mettler | 17,738 | 12.9 |
| | Republican | Gerald Morris | 5,734 | 4.2 |
| Total votes | Total votes | Total votes | 137,334 | 100.0 |

### General election
#### Endorsements

Organizations
* Campaign for Working Families
Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
Organizations
* Progressive Democrats of America

#### Results

California's 23rd congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Kevin McCarthy (incumbent) | 167,116 | 69.2 |
| | Democratic | Wendy Reed | 74,468 | 30.8 |
| Total votes | Total votes | Total votes | 241,584 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 24

The 24th district is based in the Central Coast and includes San Luis Obispo and Santa Barbara. Incumbent Democrat Lois Capps, who had represented the 24th district since 2013 and previously represented the 23rd district from 2003 to 2013 and the 22nd district from 1998 to 2003, retired.

### Primary election
#### Democratic candidates
##### Advanced to general

* Salud Carbajal, Santa Barbara County Supervisor

##### Eliminated in primary

* Bernjamin Lucas, design consultant
* William Ostrander, farmer and non-profit director
* Helene Schneider, Mayor of Santa Barbara

##### Declined

* Laura Capps, political operative and daughter of Lois Capps
* Lois Capps, incumbent U.S. Representative
* Das Williams, state assembly member

#### Republican candidates
##### Advanced to general

* Justin Fareed, cattle rancher, businessman and candidate for this seat in 2014

##### Eliminated in primary

* Katcho Achadjian, state assembly member
* Matt Kokkonen, financial planner and businessman

##### Withdrawn

* Tyler Gross, paralegal

##### Declined

* Christopher Mitchum, former actor, businessman, candidate for this seat in 2012 and general election candidate in 2014 (endorsed Achadjian)

#### Independent candidates
##### Eliminated in primary

* Steve Isakson, electronics engineer and businessman
* John Uebersax, social scientist and biostatistician

#### Endorsements

U.S. Representatives
* Lois Capps, U.S. Representative (CA-24)
* Nancy Pelosi, U.S. Representative (CA-12) and former Speaker of the House
State officials
* Kamala Harris, State Attorney General
Labor unions
* AFL-CIO
* California Federation of Teachers
* Service Employees International Union
Organizations
* California Democratic Party
* VoteVets
State officials
* Gavin Newsom, Lieutenant Governor of California
State legislators
* Hannah-Beth Jackson, state senator

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Salud Carbajal | 66,402 | 31.9 |
| | Republican | Justin Fareed | 42,521 | 20.5 |
| | Republican | Katcho Achadjian | 37,716 | 18.1 |
| | Democratic | Helene Schneider | 31,046 | 14.9 |
| | Democratic | William "Bill" Ostrander | 12,657 | 6.1 |
| | Republican | Matt T. Kokkonen | 11,636 | 5.6 |
| | No party preference | John Uebersax | 2,188 | 1.1 |
| | No party preference | Steve Isakson | 2,172 | 1.0 |
| | Democratic | Benjamin Lucas | 1,568 | 0.8 |
| Total votes | Total votes | Total votes | 207,906 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
* Service Employees International Union
Organizations
* Democratic Congressional Campaign Committee "Red to Blue" Program
* End Citizens United
* Equality California
* VoteVets
Organizations
* National Republican Congressional Committee "Young Guns" Program

#### Polling

| Poll source | Date(s) administered | Sample size | Margin of error | Salud Carbajal (D) | Justin Fareed (R) | Undecided |
| The Tarrance Group (R-Fareed) | September 17–19, 2016 | 400 | ± 4.9% | 43% | 46% | 11% |
| The Tarrance Group (R-Fareed) | July 10–12, 2016 | 350 | ± 4.9% | 44% | 46% | 10% |

#### Predictions

| Source | Ranking | As of |
| The Cook Political Report | Lean D | November 7, 2016 |
| Daily Kos Elections | Lean D | November 7, 2016 |
| Rothenberg | Likely D | November 3, 2016 |
| Sabato's Crystal Ball | Lean D | November 7, 2016 |
| RCP | Lean D | October 31, 2016 |

#### Results

California's 24th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Salud Carbajal | 166,034 | 53.4 |
| | Republican | Justin Fareed | 144,780 | 46.6 |
| Total votes | Total votes | Total votes | 310,814 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 25

The 25th district is based in northern Los Angeles County and includes Palmdale and Santa Clarita. Incumbent Republican Steve Knight, who had represented the 25th district since 2015, ran for re-election.

### Primary election
#### Republican candidates
##### Advanced to general

* Steve Knight, incumbent U.S. Representative

##### Eliminated in primary

* Jeffrey Moffatt, tax attorney

#### Democratic candidates
##### Advanced to general

* Bryan Caforio, attorney

##### Eliminated in primary

* Lou Vince, Agua Dulce Town Council member

##### Withdrawn

* Maria Gutzeit, Santa Clarita Water Board member (withdrew in January 2016)
* Evan Thomas, test pilot, retired Air Force officer and candidate for this seat in 2014

#### Endorsements

Labor unions
* AFL-CIO
* Service Employees International Union
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Steve Knight (incumbent) | 63,769 | 48.3 |
| | Democratic | Bryan Caforio | 38,382 | 29.0 |
| | Democratic | Lou Vince | 20,327 | 15.4 |
| | Republican | Jeffrey Moffatt | 9,620 | 7.3 |
| | No party preference | Jeff Bomberger (write-in) | 44 | 0.0 |
| Total votes | Total votes | Total votes | 132,142 | 100.0 |

### General election
#### Endorsements

Organizations
* BIPAC
* Campaign for Working Families
* National Republican Congressional Committee "Patriot" Program
Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
* Service Employees International Union
Organizations
* Democratic Congressional Campaign Committee "Red to Blue" Program
* End Citizens United
* Equality California

#### Polling

| Poll source | Date(s) administered | Sample size | Margin of error | Steve Knight (R) | Bryan Caforio (D) | Undecided |
| Tulchin Research (D) | October 14–18, 2016 | 400 | ± 4.9% | 46% | 44% | 10% |
| DCCC | July 30, 2016 | 400 | ± 4.9% | 46% | 40% | 14% |

#### Predictions

| Source | Ranking | As of |
| The Cook Political Report | Tossup | November 7, 2016 |
| Daily Kos Elections | Tossup | November 7, 2016 |
| Rothenberg | Likely R | November 3, 2016 |
| Sabato's Crystal Ball | Lean D (flip) | November 7, 2016 |
| RCP | Tossup | October 31, 2016 |

#### Results

California's 25th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Steve Knight (incumbent) | 138,755 | 53.1 |
| | Democratic | Bryan Caforio | 122,406 | 46.9 |
| Total votes | Total votes | Total votes | 261,161 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 26

The 26th district is based in the southern Central Coast and includes Oxnard and Thousand Oaks. Incumbent Democrat Julia Brownley, who had represented the 26th district since 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Julia Brownley, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Rafael Dagnesses, business owner, entrepreneur and candidate for this seat in 2014

#### Endorsements

Labor unions
* AFL-CIO
* Service Employees International Union
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Julia Brownley (incumbent) | 108,937 | 64.0 |
| | Republican | Rafael A. Dagnesses | 61,219 | 36.0 |
| Total votes | Total votes | Total votes | 170,156 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
* Service Employees International Union
Organizations
* Democratic Congressional Campaign Committee "Frontline" Program
* EMILY's List
* End Citizens United
* Equality California

#### Results

California's 26th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Julia Brownley (incumbent) | 169,248 | 60.4 |
| | Republican | Rafael A. Dagnesses | 111,059 | 39.6 |
| Total votes | Total votes | Total votes | 280,307 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 27

The 27th district is based in the San Gabriel Foothills and includes Alhambra, Glendora and Pasadena. Incumbent Democrat Judy Chu, who had represented the 27th district since 2013 and previously represented the 32nd district from 2009 to 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Judy Chu, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Jack Orswell, businessman and environmental consultant

#### Independent candidates
##### Eliminated in primary

* Tim Sweeney, business consultant and attorney

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Judy Chu (incumbent) | 93,204 | 66.2 |
| | Republican | Jack Orswell | 39,574 | 28.1 |
| | No party preference | Tim Sweeney | 8,063 | 5.7 |
| Total votes | Total votes | Total votes | 133,581 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 27th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Judy Chu (incumbent) | 168,977 | 67.4 |
| | Republican | Jack Orswell | 81,655 | 32.6 |
| Total votes | Total votes | Total votes | 250,632 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 28

The 28th district is based in the northern Los Angeles suburbs and includes Burbank and Glendale as well as parts of central Los Angeles. Incumbent Democrat Adam Schiff, who had represented the 28th district since 2013 and previously represented the 29th district from 2003 to 2013 and the 27th district from 2001 to 2003, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Adam Schiff, incumbent U.S. Representative

##### Eliminated in primary

* Sal Genovese, community services director and candidate for this seat in 2012 & 2014

#### Republican candidates
##### Advanced to general

* Lenore Solis, business owner

##### Withdrawn

* Casey Gray

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Adam Schiff (incumbent) | 111,766 | 70.2 |
| | Republican | Lenore Solis | 29,336 | 18.4 |
| | Democratic | Sal Genovese | 18,026 | 11.3 |
| Total votes | Total votes | Total votes | 159,128 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 28th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Adam Schiff (incumbent) | 210,883 | 78.0 |
| | Republican | Lenore Solis | 59,526 | 22.0 |
| Total votes | Total votes | Total votes | 270,409 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 29

The 29th district is based in the northeastern San Fernando Valley. Incumbent Democrat Tony Cardenas, who had represented the 29th district since 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Richard Alarcon, former Los Angeles City Council member
* Tony Cardenas, incumbent U.S. Representative

##### Eliminated in primary

* Benny Bernal, community advocate
* David Guzman, TV director's assistant
* Joseph Shammas, retired military officer

#### Endorsements

Labor unions
* AFL-CIO

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Tony Cardenas (incumbent) | 58,616 | 61.4 |
| | Democratic | Richard Alarcon | 12,397 | 13.0 |
| | Democratic | Joseph "Joe" Shammas | 10,847 | 11.4 |
| | Democratic | Benny "Benito" Bernal | 10,006 | 10.5 |
| | Democratic | David Z. Guzman | 3,654 | 3.8 |
| Total votes | Total votes | Total votes | 95,520 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* California Democratic Party
* Equality California

#### Results

California's 29th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Tony Cardenas (incumbent) | 128,407 | 74.7 |
| | Democratic | Richard Alarcon | 43,417 | 25.3 |
| Total votes | Total votes | Total votes | 171,824 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 30

The 30th district is based in the western San Fernando Valley and includes Sherman Oaks. Incumbent Democrat Brad Sherman, who had represented the 30th district since 2013 and previously represented the 27th district from 2003 to 2013 and the 24th district from 1997 to 2003, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Brad Sherman, incumbent U.S. Representative

##### Eliminated in primary

* Luke Davis, business owner
* Patrea Patrick, documentary producer and author
* Raji Rab, aviator and educator

#### Republican candidates
##### Advanced to general

* Mark Reed, television journalist, businessman and general election candidate for this seat in 2014

##### Eliminated in primary

* Navraj Singh, business owner
* Chris Townsend, marketing sales advisor

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Brad Sherman (incumbent) | 92,448 | 60.1 |
| | Republican | Mark Reed | 21,458 | 14.0 |
| | Democratic | Patrea Patrick | 14,628 | 9.5 |
| | Democratic | A. (Raji) Rab | 8,847 | 5.8 |
| | Republican | Navraj Singh | 6,517 | 4.2 |
| | Democratic | Luke Davis | 5,150 | 3.3 |
| | Republican | Christopher David Townsend | 4,741 | 3.1 |
| Total votes | Total votes | Total votes | 153,789 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 30th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Brad Sherman (incumbent) | 205,279 | 72.6 |
| | Republican | Mark Reed | 77,325 | 27.4 |
| Total votes | Total votes | Total votes | 282,604 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 31

The 31st district is based in the Inland Empire and includes San Bernardino and Rancho Cucamonga. Incumbent Democrat Pete Aguilar, who had represented the 31st district since 2015, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Pete Aguilar, incumbent U.S. Representative

##### Eliminated in primary

* Kaisar Ahmed, retired educator

#### Republican candidates
##### Advanced to general

* Paul Chabot, former Naval Intelligence officer, former White House adviser, anti-drug activist and general election candidate for this seat in 2014

##### Eliminated in primary

* Joe Baca, former Democratic U.S. Representative
* Sean Flynn, economist, businessman and educator

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Pete Aguilar (incumbent) | 48,518 | 43.1 |
| | Republican | Paul Chabot | 25,534 | 22.7 |
| | Republican | Joe Baca | 14,020 | 12.4 |
| | Democratic | Kaisar Ahmed | 12,418 | 11.0 |
| | Republican | Sean Flynn | 12,130 | 10.8 |
| Total votes | Total votes | Total votes | 112,620 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Democratic Congressional Campaign Committee "Frontline" Program
* End Citizens United

#### Results

California's 31st congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Pete Aguilar (incumbent) | 121,070 | 56.1 |
| | Republican | Paul Chabot | 94,866 | 43.9 |
| Total votes | Total votes | Total votes | 215,936 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 32

The 32nd district is based in the San Gabriel Valley and includes El Monte and West Covina. Incumbent Democrat Grace Napolitano, who had represented the 32nd district since 2013 and previously represented the 38th district from 2003 to 2013 and the 34th district from 1999 to 2003, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Roger Hernández, state assembly member
* Grace Napolitano, incumbent U.S. Representative

#### Republican candidates
##### Eliminated in primary

* Gordon Fisher, businessman

#### Endorsements

Labor unions
* Service Employees International Union
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Grace Napolitano (incumbent) | 54,987 | 51.4 |
| | Democratic | Roger Hernández | 26,386 | 24.7 |
| | Republican | Gordon E. Fisher | 25,594 | 23.9 |
| Total votes | Total votes | Total votes | 106,967 | 100.0 |

### General election
#### Campaign

In August, Hernández withdrew from the race, citing the fallout from his controversial divorce as the primary reason. He did, however, remain on the ballot.

#### Endorsements

Labor unions
* Communications Workers of America
Organizations
* EMILY's List
* Equality California

#### Results

California's 32nd congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Grace Napolitano (incumbent) | 114,926 | 61.6 |
| | Democratic | Roger Hernández | 71,720 | 38.4 |
| Total votes | Total votes | Total votes | 186,646 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 33

The 33rd district is based in coastal Los Angeles County and includes Beverly Hills and Santa Monica. Incumbent Democrat Ted Lieu, who had represented the 33rd district since 2015, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Ted Lieu, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Kenneth Wright, physician and surgeon

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ted Lieu (incumbent) | 127,733 | 69.2 |
| | Republican | Kenneth W. Wright | 56,976 | 30.8 |
| Total votes | Total votes | Total votes | 184,709 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Equality California
* Progressive Democrats of America
* VoteVets

#### Results

California's 33rd congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Ted Lieu (incumbent) | 219,397 | 66.4 |
| | Republican | Kenneth W. Wright | 110,822 | 33.6 |
| Total votes | Total votes | Total votes | 330,219 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 34

The 34th district is based in central Los Angeles and includes Chinatown and Downtown Los Angeles. Incumbent Democrat Xavier Becerra, who had represented the 34th district since 2013 and previously represented the 31st district from 2003 to 2013 and the 30th district from 1993 to 2003, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Xavier Becerra, incumbent U.S. Representative
* Adrienne Nicole Edwards, housing counselor and candidate for this seat in 2014

##### Eliminated in primary

* Kenneth Mejia, certified public accountant

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Xavier Becerra (incumbent) | 71,982 | 77.6 |
| | Democratic | Adrienne Nicole Edwards | 19,624 | 21.2 |
| | Democratic | Kenneth Mejia (write-in) | 1,177 | 1.3 |
| Total votes | Total votes | Total votes | 92,783 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 34th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Xavier Becerra (incumbent) | 122,842 | 77.2 |
| | Democratic | Adrienne Nicole Edwards | 36,314 | 22.8 |
| Total votes | Total votes | Total votes | 159,156 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 35

The 35th district is based in the Inland Empire and includes Fontana, Ontario, and Pomona. Incumbent Democrat Norma Torres, who had represented the 35th district since 2015, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Norma Torres, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Tyler Fischella, business development associate

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Norma Torres (incumbent) | 65,226 | 75.6 |
| | Republican | Tyler Fischella | 21,089 | 24.4 |
| Total votes | Total votes | Total votes | 86,315 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 35th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Norma Torres (incumbent) | 124,044 | 72.4 |
| | Republican | Tyler Fischella | 47,309 | 27.6 |
| Total votes | Total votes | Total votes | 171,353 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 36

The 36th district is based in eastern Riverside County and includes Palm Springs. Incumbent Democrat Raul Ruiz, who had represented the 36th district since 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Raul Ruiz, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Jeff Stone, state senator

##### Eliminated in primary

* Stephan Wolkowicz, financial accountant

##### Withdrawn

* Dwight Kealy, attorney and former Marine intelligence officer (endorsed Stone)
* Lupe Ramos Watson, Mayor of Indio

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Raul Ruiz (incumbent) | 76,213 | 58.5 |
| | Republican | Jeff Stone | 41,190 | 31.6 |
| | Republican | Stephan "Steven" Wolkowicz | 12,923 | 9.9 |
| Total votes | Total votes | Total votes | 130,326 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Democratic Congressional Campaign Committee "Frontline" Program
* End Citizens United
* Equality California

#### Results

California's 36th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Raul Ruiz (incumbent) | 144,348 | 62.1 |
| | Republican | Jeff Stone | 88,269 | 37.9 |
| Total votes | Total votes | Total votes | 232,617 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 37

The 37th district is based in West Los Angeles and includes Crenshaw and Culver City. Incumbent Democrat Karen Bass, who had represented the 37th district since 2013 and previously represented the 33rd district from 2011 to 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Karen Bass, incumbent U.S. Representative

##### Eliminated in primary

* Chris Blake Wiggins, human resources recruiter

#### Republican candidates
##### Advanced to general

* Shariff A. Hasan, social entrepreneur

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Karen Bass (incumbent) | 115,597 | 80.2 |
| | Democratic | Chris Blake Wiggins | 15,362 | 10.7 |
| | Republican | Shariff A. Hasan | 13,158 | 9.1 |
| Total votes | Total votes | Total votes | 144,117 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 37th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Karen Bass (incumbent) | 192,490 | 81.1 |
| | Democratic | Chris Blake Wiggins | 44,782 | 18.9 |
| Total votes | Total votes | Total votes | 237,272 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 38

The 38th district is based in the eastern Los Angeles suburbs and includes Norwalk and Whittier. Incumbent Democrat Linda Sánchez, who had represented the 38th district since 2013 and previously represented the 39th district from 2003 to 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Linda Sánchez, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Ryan Downing, evangelist and community organizer

#### Independent candidates
##### Eliminated in primary

* Scott Michael Adams, structural engineer

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Linda Sánchez (incumbent) | 86,396 | 70.0 |
| | Republican | Ryan Downing | 25,801 | 20.9 |
| | No party preference | Scott Michael Adams | 11,189 | 9.1 |
| Total votes | Total votes | Total votes | 123,386 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 38th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Linda Sánchez (incumbent) | 163,590 | 70.5 |
| | Republican | Ryan Downing | 68,524 | 29.5 |
| Total votes | Total votes | Total votes | 232,114 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 39

The 39th district straddles the Los Angeles–Orange county border and includes Chino Hills, Diamond Bar, and Fullerton. Incumbent Republican Ed Royce, who had represented the 39th district since 2013 and previously represented the 40th district from 2003 to 2013 and the 39th district from 1993 to 2003, ran for re-election.

### Primary election
#### Republican candidates
##### Advanced to general

* Ed Royce, incumbent U.S. Representative

#### Democratic candidates
##### Advanced to general

* Brett Murdock, former mayor of Brea

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Ed Royce (incumbent) | 85,035 | 60.5 |
| | Democratic | Brett Murdock | 55,520 | 39.5 |
| Total votes | Total votes | Total votes | 140,555 | 100.0 |

### General election
#### Endorsements

Organizations
* Campaign for Working Families
Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers

#### Results

California's 39th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Ed Royce (incumbent) | 150,777 | 57.6 |
| | Democratic | Brett Murdock | 112,679 | 42.4 |
| Total votes | Total votes | Total votes | 263,456 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 40

The 40th district is based in central Los Angeles County and includes Downey and East Los Angeles. Incumbent Democrat Lucille Roybal-Allard, who had represented the 40th district since 2013 and previously represented the 34th district from 2003 to 2013 and the 33rd district from 1993 to 2003, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Lucille Roybal-Allard, incumbent U.S. Representative

##### Eliminated in primary

* J. Cesar Flores

#### Independent candidates
##### Advanced to general

* Roman Gabriel Gonzalez, medical technician

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Lucille Roybal-Allard (incumbent) | 60,691 | 76.3 |
| | No party preference | Roman Gabriel Gonzalez | 18,844 | 23.7 |
| | Democratic | J. Cesar Flores (write-in) | 6 | 0.0 |
| Total votes | Total votes | Total votes | 79,541 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 40th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Lucille Roybal-Allard (incumbent) | 106,554 | 71.4 |
| | No party preference | Roman Gabriel Gonzalez | 42,743 | 28.6 |
| Total votes | Total votes | Total votes | 149,297 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 41

The 41st district is based in the Inland Empire and includes Moreno Valley, Perris, and Riverside. Incumbent Democrat Mark Takano, who had represented the 41st district since 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Mark Takano, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Doug Shepherd, realtor

##### Eliminated in primary

* Randy Fox, businessman and pastor
* Cody Ryan, fitness entrepreneur and investor

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Mark Takano (incumbent) | 63,706 | 64.5 |
| | Republican | Doug Shepherd | 17,255 | 17.5 |
| | Republican | Randy Fox | 14,844 | 15.0 |
| | Republican | Cody Ryan | 2,893 | 2.9 |
| Total votes | Total votes | Total votes | 98,698 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
* Service Employees International Union
Organizations
* End Citizens United
* Equality California

#### Results

California's 41st congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Mark Takano (incumbent) | 128,164 | 65.0 |
| | Republican | Doug Shepherd | 69,159 | 35.0 |
| Total votes | Total votes | Total votes | 197,323 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 42

The 42nd district is based in the Inland Empire and includes Corona and Murrieta. Incumbent Republican Ken Calvert, who had represented the 42nd district since 2013 and previously represented the 44th district from 2003 to 2013 and the 43rd district from 1993 to 2003, ran for re-election.

### Primary election
#### Republican candidates
##### Advanced to general

* Ken Calvert, incumbent U.S. Representative

#### Democratic candidates
##### Advanced to general

* Tim Sheridan, attorney and general election candidate for this seat in 2014

#### Independent candidates
##### Eliminated in primary

* Kerri Condley, businesswomen, former delegate for the California Democratic Party and Democratic candidate for this seat in 2014

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Ken Calvert (incumbent) | 66,418 | 54.9 |
| | Democratic | Tim Sheridan | 45,389 | 37.5 |
| | No party preference | Kerri Condley | 9,076 | 7.5 |
| Total votes | Total votes | Total votes | 120,883 | 100.0 |

### General election
#### Endorsements

Organizations
* Campaign for Working Families
Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
* Service Employees International Union

#### Results

California's 42nd congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Ken Calvert (incumbent) | 149,547 | 58.8 |
| | Democratic | Tim Sheridan | 104,689 | 41.2 |
| Total votes | Total votes | Total votes | 254,236 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 43

The 43rd district is based in South Los Angeles and includes Hawthorne and Inglewood. Incumbent Democrat Maxine Waters, who had represented the 43rd district since 2013 and previously represented the 35th district from 1993 to 2013 and the 29th district from 1991 to 1993, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Maxine Waters, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Omar Navarro, small business owner

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Maxine Waters (incumbent) | 92,909 | 76.1 |
| | Republican | Omar Navarro | 29,152 | 23.9 |
| Total votes | Total votes | Total votes | 122,061 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 43rd congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Maxine Waters (incumbent) | 167,017 | 76.1 |
| | Republican | Omar Navarro | 52,499 | 23.9 |
| Total votes | Total votes | Total votes | 219,516 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 44

The 44th district is based in south Los Angeles County and includes Carson, Compton, and San Pedro. Incumbent Democrat Janice Hahn, who had represented the 44th district since 2013 and previously represented the 36th district from 2011 to 2013, retired to run for the Los Angeles County Board of Supervisors.

### Primary election
#### Democratic candidates
##### Advanced to general

* Nanette Barragán, attorney and former Hermosa Beach City Council member
* Isadore Hall, III, state senator

##### Eliminated in primary

* Martha DelGadillo
* Morris Griffin, Los Angeles County maintenance worker
* Marcus Musante, lawyer
* Sylvia Ortiz, business owner
* Armando Sotomayor, community volunteer

##### Declined

* Carmen Avalos, South Gate City Clerk
* Aja Brown, Mayor of Compton
* Joe Buscaino, Los Angeles City Council member
* Maria Davila, South Gate City Council member
* Janice Hahn, incumbent U.S. Representative

#### Republican candidates
##### Eliminated in primary

* Christopher Castillo, clerk and carpenter
* Ronald Siegel, small business owner

#### Endorsements

U.S. Representatives
* Joaquin Castro, incumbent U.S. Representative (TX−20)
* Lois Frankel, incumbent U.S. Representative (FL−22)
* Ruben Gallego, incumbent U.S. Representative (AZ−7)
* Lucille Roybal-Allard, incumbent U.S. Representative (CA−40)
* Raul Ruiz, incumbent U.S. Representative (CA−36)
* Linda Sanchez, incumbent U.S. Representative (CA−38)
* Eric Swalwell, incumbent U.S. Representative (CA−15)
Organizations
* California League of Conservation Voters
* EMILY's List
* Latino Victory Project
* National Women's Political Caucus
* PODER PAC
* Progressive Change Campaign Committee
* Progressive Democrats of America
Local officials
* Belen Bernal, South Gate Council member
* Maria Davila, South Gate Council member
* Bill De Witt, South Gate Council member
* Henry Gonzalez, former South Gate Mayor
* Janice Schaffer, Carson Commissioner
U.S. Representatives
* Janice Hahn, incumbent U.S. Representative (CA−44)
Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
* Service Employees International Union
Organizations
* California Democratic Party
* Equality California

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Isadore Hall, III | 40,200 | 40.1 |
| | Democratic | Nanette Barragán | 22,031 | 22.0 |
| | Democratic | Armando Sotomayor | 10,087 | 10.1 |
| | Democratic | Silvia Ortiz | 6,062 | 6.0 |
| | Democratic | Martha C. Delgadillo | 5,771 | 5.8 |
| | Republican | Ronald Siegel | 5,565 | 5.5 |
| | Republican | Christopher Castillo | 3,651 | 3.6 |
| | Democratic | Morris F. Griffin | 3,624 | 3.6 |
| | Democratic | Marcus C. Musante | 2,366 | 2.4 |
| | No party preference | Michael De Mauricio | 919 | 0.9 |
| Total votes | Total votes | Total votes | 100,276 | 100.0 |

### General election
#### Results

California's 44th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Nanette Barragán | 93,124 | 52.2 |
| | Democratic | Isadore Hall, III | 85,289 | 47.8 |
| Total votes | Total votes | Total votes | 178,413 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 45

The 45th district is based in inland Orange County and includes Irvine and Mission Viejo. Incumbent Republican Mimi Walters, who had represented the 45th district since 2015, ran for re-election.

### Primary election
#### Republican candidates
##### Advanced to general

* Mimi Walters, incumbent U.S. Representative

##### Eliminated in primary

* Greg Raths, retired Marine colonel

#### Democratic candidates
##### Advanced to general

* Ron Varasteh, scientist, engineer and businessman

##### Eliminated in primary

* Max Gouron, physician anesthesiologist

#### Endorsements

Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Mimi Walters (incumbent) | 65,773 | 40.9 |
| | Democratic | Ron Varasteh | 44,449 | 27.6 |
| | Republican | Greg Raths | 30,961 | 19.2 |
| | Democratic | Max Gouron | 19,716 | 12.3 |
| Total votes | Total votes | Total votes | 160,899 | 100.0 |

### General election
#### Endorsements

Organizations
* Progressive Democrats of America

#### Results

California's 45th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Mimi Walters (incumbent) | 182,618 | 58.6 |
| | Democratic | Ron Varasteh | 129,231 | 41.4 |
| Total votes | Total votes | Total votes | 311,849 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 46

The 46th district is based in central Orange County and includes Anaheim and Santa Ana. Incumbent Democrat Loretta Sanchez, who had represented the 46th district since 2013 and previously represented the 47th district from 2003 to 2013 and the 46th district from 1997 to 2003, retired to run for the United States Senate.

### Primary election
#### Democratic candidates
##### Advanced to general

* Lou Correa, former state senator
* Bao Nguyen, Mayor of Garden Grove

##### Eliminated in primary

* Joe Dunn, former state senator

##### Withdrawn

* Jordan Brandman, Anaheim Council member
* Heberto Sanchez, manager with the Los Angeles County Department of Health (withdrew October 2015)

##### Declined

* Loretta Sanchez, incumbent U.S. Representative

#### Republican candidates
##### Eliminated in primary

* Louie Contreras, businessman and realtor
* Rodolfo Rudy Gaona, small business owner
* Bob Peterson, Orange County sheriff's commander
* Lynn Schott, educator, business owner and Irvine Council member

#### Endorsements

Labor unions
* AFL-CIO
Labor unions
* Service Employees International Union

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Lou Correa | 40,880 | 43.7 |
| | Democratic | Bao Nguyen | 13,625 | 14.6 |
| | Republican | Bob Peterson | 11,781 | 12.6 |
| | Democratic | Joe Dunn | 11,596 | 12.4 |
| | Republican | Lynn Schott | 7,373 | 7.9 |
| | Republican | Louie A. Contreras | 3,441 | 3.7 |
| | No party preference | Nancy Trinidad Marin | 3,306 | 3.5 |
| | Republican | Rodolfo Rudy Gaona | 1,567 | 1.7 |
| Total votes | Total votes | Total votes | 93,569 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
Labor unions
* Service Employees International Union
Organizations
* Equality California
* Progressive Democrats of America

#### Results

California's 46th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Lou Correa | 115,248 | 70.0 |
| | Democratic | Bao Nguyen | 49,345 | 30.0 |
| Total votes | Total votes | Total votes | 164,593 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 47

The 47th district includes Long Beach and parts of Orange County. Incumbent Democrat Alan Lowenthal, who had represented the 47th district since 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Alan Lowenthal, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Andy Whallon, engineer and entrepreneur

##### Eliminated in primary

* Sanford Kahn, small business owner

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Alan Lowenthal (incumbent) | 90,595 | 66.1 |
| | Republican | Andy Whallon | 30,054 | 21.9 |
| | Republican | Sanford W. Kahn | 16,364 | 11.9 |
| | No party preference | Rich Camp (write-in) | 9 | |
| Total votes | Total votes | Total votes | 137,022 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 47th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Alan Lowenthal (incumbent) | 154,759 | 63.7 |
| | Republican | Andy Whallon | 88,109 | 36.3 |
| Total votes | Total votes | Total votes | 242,868 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 48

The 48th district is based in coastal Orange County and includes Huntington Beach and Newport Beach. Incumbent Republican Dana Rohrabacher, who had represented the 48th district since 2013 and previously represented the 46th district from 2003 to 2013, the 45th district from 1993 to 2003, and the 42nd district from 1989 to 1993, ran for re-election.

### Primary election
#### Republican candidates
##### Advanced to general

* Dana Rohrabacher, incumbent U.S. Representative

#### Democratic candidates
##### Advanced to general

* Suzanne Savary, retired business educator

##### Eliminated in primary

* Robert John Banuelos, congressional case worker

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Dana Rohrabacher (incumbent) | 92,815 | 56.6 |
| | Democratic | Suzanne Savary | 47,395 | 28.9 |
| | Democratic | Robert John Banuelos | 23,867 | 14.5 |
| Total votes | Total votes | Total votes | 164,077 | 100.0 |

### General election
#### Endorsements

Organizations
* Campaign for Working Families
Labor unions
* AFL-CIO

#### Results

California's 48th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Dana Rohrabacher (incumbent) | 178,701 | 58.5 |
| | Democratic | Suzanne Savary | 127,715 | 41.5 |
| Total votes | Total votes | Total votes | 306,416 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 49

The 49th district is based in northern San Diego County and parts of southern Orange County. It includes the cities of Carlsbad, Oceanside, and San Clemente. Incumbent Republican Darrell Issa, who had represented the 49th district since 2003 and the 48th district from 2001 to 2003, ran for re-election and won by a margin of 0.52%, making this the closest House race in 2016.

### Primary election
#### Republican candidates
##### Advanced to general

* Darrell Issa, incumbent U.S. Representative

#### Democratic candidates
##### Advanced to general

* Doug Applegate, retired Marine Corps colonel and veteran of Operation Iraqi Freedom

#### Independent candidates
##### Eliminated in primary

* Ryan Glenn Wingo

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Darrell Issa (incumbent) | 84,626 | 50.8 |
| | Democratic | Doug Applegate | 75,806 | 45.5 |
| | No party preference | Ryan Glenn Wingo | 6,087 | 3.7 |
| Total votes | Total votes | Total votes | 166,521 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* International Brotherhood of Boilermakers
* Service Employees International Union
Organizations
* Democratic Congressional Campaign Committee "Red to Blue" Program
* Equality California
* Progressive Democrats of America
* VoteVets

#### Polling

| Poll source | Date(s) administered | Sample size | Margin of error | Darrell Issa (R) | Doug Applegate (D) | Undecided |
| Public Opinion Strategies (R-Issa) | October 4–6, 2016 | 400 | ± 4.9% | 48% | 39% | 13% |
| Tulchin Research (D-DCCC) | September 28–30, 2016 | 400 | ± 4.9% | 42% | 46% | 12% |
| DCCC | September 24–25, 2016 | 504 | ± 4.5% | 48% | 46% | 6% |
| Public Opinion Strategies (R-Issa) | September 6–8, 2016 | 400 | ± 4.9% | 52% | 38% | 10% |

#### Predictions

| Source | Ranking | As of |
| The Cook Political Report | Tossup | November 7, 2016 |
| Daily Kos Elections | Tossup | November 7, 2016 |
| Rothenberg | Tilt R | November 3, 2016 |
| Sabato's Crystal Ball | Lean D (flip) | November 7, 2016 |
| RCP | Tossup | October 31, 2016 |

#### Results

California's 49th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Darrell Issa (incumbent) | 155,888 | 50.3 |
| | Democratic | Doug Applegate | 154,267 | 49.7 |
| Total votes | Total votes | Total votes | 310,155 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 50

The 50th district is based in inland San Diego County and includes Escondido and Santee. Incumbent Republican Duncan D. Hunter, who had represented the 50th district since 2013 and previously represented the 52nd district from 2009 to 2013, ran for re-election.

### Primary election
#### Republican candidates
##### Advanced to general

* Duncan D. Hunter, incumbent U.S. Representative

##### Eliminated in primary

* Scott Meisterlin, businessman

#### Democratic candidates
##### Advanced to general

* Patrick Malloy, business owner and realtor

##### Eliminated in primary

* David Secor

#### Independent candidates
##### Eliminated in primary

* H. Fuji Shioura, pastor

#### Endorsements

Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Republican | Duncan D. Hunter (incumbent) | 86,534 | 56.5 |
| | Democratic | Patrick Malloy | 33,348 | 21.8 |
| | Democratic | David Secor | 17,590 | 11.5 |
| | Republican | Scott C. Meisterlin | 10,458 | 6.8 |
| | No party preference | H. Fuji Shioura | 5,359 | 3.5 |
| Total votes | Total votes | Total votes | 153,289 | 100.0 |

### General election
#### Endorsements

Organizations
* Campaign for Working Families
* Eagle Forum
Labor unions
* Service Employees International Union

#### Results

California's 50th congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Republican | Duncan D. Hunter (incumbent) | 179,937 | 63.5 |
| | Democratic | Patrick Malloy | 103,646 | 36.5 |
| Total votes | Total votes | Total votes | 283,583 | 100.0 |
| | Republican hold | Republican hold | Republican hold | Republican hold |

## District 51

The new 51st district runs along the border with Mexico and includes Imperial County and San Diego. Incumbent Democrat Juan Vargas, who had represented the 51st district since 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Juan Vargas, incumbent U.S. Representative

##### Eliminated in primary

* Juan Mercado-Flores, deputy sheriff

#### Republican candidates
##### Advanced to general

* Juan M. Hidalgo Jr., retired U.S. Marine

##### Eliminated in primary

* Carlos J. Sanchez, pediatrician

#### Endorsements

Labor unions
* AFL-CIO
Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Juan Vargas (incumbent) | 69,522 | 66.8 |
| | Republican | Juan M. Hidalgo, Jr. | 16,053 | 15.4 |
| | Democratic | Juan "Charly" Mercado-Flores | 9,781 | 9.4 |
| | Republican | Carlos J. Sanchez | 8,681 | 8.3 |
| Total votes | Total votes | Total votes | 104,037 | 100.0 |

### General election
#### Endorsements

Labor unions
* AFL-CIO
* Communications Workers of America
* International Brotherhood of Boilermakers
Organizations
* Equality California

#### Results

California's 51st congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Juan Vargas (incumbent) | 145,162 | 72.2 |
| | Republican | Juan M. Hidalgo, Jr. | 54,362 | 27.8 |
| Total votes | Total votes | Total votes | 199,524 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 52

The 52nd district is based in coastal San Diego and includes La Jolla and Poway. Incumbent Democrat Scott Peters, who had represented the 52nd district since 2013, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Scott Peters, incumbent U.S. Representative

#### Republican candidates
##### Advanced to general

* Denise Gitsham, attorney and former George W. Bush aide

##### Eliminated in primary

* Terry Reagan Allvord, small business owner
* Jacquie Atkinson, Marine Corps veteran
* Kenneth Canada, university professor
* John Horst, planning group leader

#### Endorsements

Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Scott Peters (incumbent) | 108,020 | 58.9 |
| | Republican | Denise Gitsham | 29,658 | 18.2 |
| | Republican | Jacquie Atkinson | 23,927 | 13.0 |
| | Republican | Kenneth "Mike" Canada | 8,268 | 4.5 |
| | Republican | Terry Reagan Allvord | 8,194 | 4.5 |
| | Republican | John Horst | 5,435 | 3.0 |
| Total votes | Total votes | Total votes | 183,502 | 100.0 |

### General election
#### Endorsements

Organizations
* Democratic Congressional Campaign Committee "Frontline" Program
* End Citizens United
* Equality California
* United States Chamber of Commerce
Organizations
* BIPAC
* National Republican Congressional Committee "Young Guns" Program

#### Predictions

| Source | Ranking | As of |
| The Cook Political Report | Safe D | November 7, 2016 |
| Daily Kos Elections | Safe D | November 7, 2016 |
| Rothenberg | Safe D | November 3, 2016 |
| Sabato's Crystal Ball | Safe D | November 7, 2016 |
| RCP | Likely D | October 31, 2016 |

#### Results

California's 52nd congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Scott Peters (incumbent) | 181,253 | 56.5 |
| | Republican | Denise Gitsham | 139,403 | 43.5 |
| Total votes | Total votes | Total votes | 320,656 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |

## District 53

The 53rd district is based in Central San Diego and includes La Mesa and Lemon Grove. Incumbent Democrat Susan Davis, who had represented the 53rd district since 2003 and previously represented the 49th district from 2001 to 2003, ran for re-election.

### Primary election
#### Democratic candidates
##### Advanced to general

* Susan Davis, incumbent U.S. Representative

##### Eliminated in primary

* Nicholas Walpert, business executive

#### Republican candidates
##### Advanced to general

* James Veltmeyer, physician

##### Eliminated in primary

* Jim Ash, small business owner

#### Endorsements

Organizations
* California Democratic Party

#### Results

Nonpartisan blanket primary results :
| Party | Party | Candidate | Votes | % |
| | Democratic | Susan Davis (incumbent) | 110,831 | 65.5 |
| | Republican | James Veltmeyer | 25,656 | 15.2 |
| | Republican | Jim Ash | 25,410 | 15.0 |
| | Democratic | Nicholas "Nick" Walpert | 7,363 | 4.4 |
| Total votes | Total votes | Total votes | 169,260 | 100.0 |

### General election
#### Endorsements

Organizations
* Equality California

#### Results

California's 53rd congressional district election, 2016 :
| Party | Party | Candidate | Votes | % |
| | Democratic | Susan Davis (incumbent) | 198,988 | 67.0 |
| | Republican | James Veltmeyer | 97,968 | 33.0 |
| Total votes | Total votes | Total votes | 296,956 | 100.0 |
| | Democratic hold | Democratic hold | Democratic hold | Democratic hold |