California's 39th Congressional District election, 2024
All U.S. House districts, including the 39th Congressional District of California, held elections in 2024. The general election was November 5, 2024. The primary was March 5, 2024. The filing deadline was December 8, 2023.
The outcome of this race affected the partisan balance of the U.S. House of Representatives in the 119th Congress. All 435 House districts were up for election.
At the time of the election, Republicans held a 220-212 majority with three vacancies.[1] As a result of the election, Republicans retained control of the U.S. House, winning 220 seats to Democrats' 215.[2] To read more about the 2024 U.S. House elections, click here.
In the 2022 election in this district, the Democratic candidate won 57.7%-42.3%. Daily Kos calculated what the results of the 2020 presidential election in this district would have been following redistricting. Joe Biden (D) would have defeated Donald Trump (R) 62.0%-35.8%.[3]
For more information about the primaries in this election, click on the links below:
Candidates and election results
General election
General election for U.S. House California District 39
Incumbent Mark Takano defeated David Serpa in the general election for U.S. House California District 39 on November 5, 2024.
Candidate | % | Votes | ||
✔ | ![]() | Mark Takano (D) | 56.7 | 130,191 |
![]() | David Serpa (R) ![]() | 43.3 | 99,469 |
Total votes: 229,660 | ||||
![]() | ||||
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Nonpartisan primary election
Nonpartisan primary for U.S. House California District 39
Incumbent Mark Takano and David Serpa advanced from the primary for U.S. House California District 39 on March 5, 2024.
Candidate | % | Votes | ||
✔ | ![]() | Mark Takano (D) | 55.5 | 48,351 |
✔ | ![]() | David Serpa (R) ![]() | 44.5 | 38,750 |
Total votes: 87,101 | ||||
![]() | ||||
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Withdrawn or disqualified candidates
- Gene Corey (R)
Candidate profiles
This section includes candidate profiles that may be created in one of two ways: either the candidate completed Ballotpedia's Candidate Connection survey, or Ballotpedia staff may compile a profile based on campaign websites, advertisements, and public statements after identifying the candidate as noteworthy. For more on how we select candidates to include, click here.
Party: Republican Party
Incumbent: No
Political Office: None
Submitted Biography: "I'm a Marine Corps combat veteran, an entrepreneur, and author of "Common Sense for California; A Guide to The New Revolution.""
This information was current as of the candidate's run for U.S. House California District 39 in 2024.
Voting information
- See also: Voting in California
Ballotpedia's Candidate Connection survey responses
Ballotpedia asks all federal, state, and local candidates to complete a survey and share what motivates them on political and personal levels. The section below shows responses from candidates in this race who completed Ballotpedia's Candidate Connection survey. Candidates are asked three required questions for this survey, but they may answer additional optional questions as well.
Survey responses from candidates in this race
Click on a candidate's name to visit their Ballotpedia page.
Note: Ballotpedia reserves the right to edit Candidate Connection survey responses. Any edits made by Ballotpedia will be clearly marked with [brackets] for the public. If the candidate disagrees with an edit, he or she may request the full removal of the survey response from Ballotpedia.org. Ballotpedia does not edit or correct typographical errors unless the candidate's campaign requests it.
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David Serpa (R)
ENERGY: Government needs to invest in nuclear energy. We need to stop shutting down nuclear facilities while forcing the burden onto taxpayers, mandating they place solar panels on their homes. We are an energy rich nation, behaving like an energy poor nation. Yet the people continue to be squeezed in their taxes, at the pump, and on their energy bills.
DEFENSE: You do not have a country if you cannot defend it. We need to protect our country at the border. The Department of Defense has failed its 5th consecutive audit, unable to account for 61% of $3.5T throughout the globe. We now spend $887B a year on "defense" yet we can't protect our border. About 70% of these funds go to private military contractors. We need to stop spending so much money disrespecting other countries and denying their sovereignty, while not expecting these evils not to come home. Our problems and our solutions are here. We need to focus our time, energy, and our dollar here at home.

David Serpa (R)
I want to focus on building water and energy infrastructure. We need to reindustrialize America.
I want Americans to have access to education and healthcare, instead of funding other countries education and healthcare. We spend more than any other developed country on healthcare, and we don't get it.
We need more doctors, nurses, teachers, and engineers. An investment in education will create more taxpayers and solid American jobs. People are our most valuable and under-utilized resource on the planet.
I want to protect our border at the border. I want to stop de-stabilizing the world, creating a world refugee crisis, and indefinitely funding the Military Industrial Complex.
I am an unapologetic America first candidate. Every country on earth should be primarily concerned with the health and well-being of their own people. This will create a better world. America should lead by example, not by force. America is still capable of being the shining city on a hill.
David Serpa (R)
Riverside City Councilman Chuck Condor Congressman Ken Calvert Stand Up Riverside Former Senator Mike Morrell
Drain the Swamp, USA Super PAC
Campaign finance
Name | Party | Receipts* | Disbursements** | Cash on hand | Date |
---|---|---|---|---|---|
Mark Takano | Democratic Party | $1,289,818 | $1,511,854 | $269,170 | As of December 31, 2024 |
David Serpa | Republican Party | $56,449 | $56,149 | $300 | As of December 31, 2024 |
Source: Federal Elections Commission, "Campaign finance data," 2024. This product uses the openFEC API but is not endorsed or certified by the Federal Election Commission (FEC).
* According to the FEC, "Receipts are anything of value (money, goods, services or property) received by a political committee." |
General election race ratings
- See also: Race rating definitions and methods
Ballotpedia provides race ratings from four outlets: The Cook Political Report, Inside Elections, Sabato's Crystal Ball, and DDHQ/The Hill. Each race rating indicates if one party is perceived to have an advantage in the race and, if so, the degree of advantage:
- Safe and Solid ratings indicate that one party has a clear edge and the race is not competitive.
- Likely ratings indicate that one party has a clear edge, but an upset is possible.
- Lean ratings indicate that one party has a small edge, but the race is competitive.[4]
- Toss-up ratings indicate that neither party has an advantage.
Race ratings are informed by a number of factors, including polling, candidate quality, and election result history in the race's district or state.[5][6][7]
Race ratings: California's 39th Congressional District election, 2024 | |||||||||
---|---|---|---|---|---|---|---|---|---|
Race tracker | Race ratings | ||||||||
November 5, 2024 | October 29, 2024 | October 22, 2024 | October 15, 2024 | ||||||
The Cook Political Report with Amy Walter | Solid Democratic | Solid Democratic | Solid Democratic | Solid Democratic | |||||
Decision Desk HQ and The Hill | Safe Democratic | Safe Democratic | Safe Democratic | Safe Democratic | |||||
Inside Elections with Nathan L. Gonzales | Solid Democratic | Solid Democratic | Solid Democratic | Solid Democratic | |||||
Larry J. Sabato's Crystal Ball | Safe Democratic | Safe Democratic | Safe Democratic | Safe Democratic | |||||
Note: Ballotpedia reviews external race ratings every week throughout the election season and posts weekly updates even if the media outlets have not revised their ratings during that week. |
Ballot access
The table below details filing requirements for U.S. House candidates in California in the 2024 election cycle. For additional information on candidate ballot access requirements in California, click here.
Filing requirements for U.S. House candidates, 2024 | ||||||
---|---|---|---|---|---|---|
State | Office | Party | Signatures required | Filing fee | Filing deadline | Source |
California | U.S. House | All candidates | 40-60 | $1,740.00[8] | 12/8/2023 | Source |
District analysis
Click the tabs below to view information about voter composition, past elections, and demographics in both the district and the state.
- District map - A map of the district in place for the election.
- Competitiveness - Information about the competitiveness of 2024 U.S. House elections in the state.
- Presidential elections - Information about presidential elections in the district and the state.
- State party control - The partisan makeup of the state's congressional delegation and state government.
Below was the map in use at the time of the election. Click the map below to enlarge it.

This section contains data on U.S. House primary election competitiveness in California.
California U.S. House primary competitiveness, 2014-2024 | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Office | Districts/ offices |
Seats | Open seats | Candidates | Possible primaries | Contested top-two primaries | % of contested primaries | Incumbents in contested primaries | % of incumbents in contested primaries | |||||
2024 | 52 | 52 | 7 | 241 | 52 | 42 | 80.8% | 36 | 80.0% | |||||
2022 | 52 | 52 | 5 | 272 | 52 | 52 | 100.0% | 47 | 100.0% | |||||
2020 | 53 | 53 | 4 | 262 | 53 | 47 | 88.7% | 32 | 64.0% | |||||
2018 | 53 | 53 | 2 | 244 | 53 | 41 | 77.4% | 39 | 76.5% | |||||
2016 | 53 | 53 | 4 | 202 | 53 | 40 | 75.5% | 36 | 73.5% | |||||
2014 | 53 | 53 | 6 | 209 | 53 | 38 | 71.7% | 32 | 68.1% |
Post-filing deadline analysis
The following analysis covers all U.S. House districts up for election in California in 2024. Information below was calculated on 1/16/2024, and may differ from information shown in the table above due to candidate replacements and withdrawals after that time.
Two-hundred forty-one candidates filed to run for California's 52 U.S. House districts in 2024, including 125 Democrats, 88 Republicans, and 28 independent or minor party candidates. That’s 4.63 candidates per district. In 2022, the first election after the number of congressional districts in California decreased from 53 to 52 following the 2020 census, 5.2 candidates filed per district. In 2020, when the state still had 53 Congressional districts, 4.94 candidates filed per district. In 2018, 4.6 candidates filed.
The 241 candidates who ran in California in 2024 were the fewest total number of candidates since 2016, when 202 candidates ran. Forty-five incumbents—34 Democrats and 11 Republicans—ran for re-election. That was fewer than in 2022, when 47 incumbents ran. Six districts were open, one more than in 2022, and the most since 2014, when six districts were also open.
Incumbents Barbara Lee (D-12th), Adam Schiff (D-30th), and Katie Porter (D-47th) ran for the state’s open U.S. Senate seat. Incumbent Sen. Laphonza Butler (D) didn't run for re-election. Incumbents Grace Napolitano (D-31st), Tony Cárdenas (D-29th), and Anna Eshoo (D-16th) retired from public office. One incumbent—Rep. Kevin McCarthy (R-20th)—left Congress before the end of his term. A special election was held to fill his seat before the general election.
Fifteen candidates—12 Democrats, two Republicans, and one nonpartisan—ran in the open 30th district, the most candidates running for a seat in 2024.
Forty-two primaries were contested, the fewest since 2018, when 41 were contested. All 52 primaries were contested in 2022, and 47 were in 2020. In California, which uses a top-two primary system, a primary is contested if more than two candidates file to run.
Incumbents ran in 35 of the 42 contested primaries. That’s lower than 2022, when 47 incumbents ran in contested primaries, but higher than every other year since 2014. In 2020, 32 incumbents faced contested primaries. Thirty-nine incumbents did so in 2018, 36 in 2016, and 32 in 2014.
Democratic candidates ran in every district. Republican candidates ran in every district except one—the 37th. Two Democrats, including incumbent Sydney Kamlage-Dove, one nonpartisan candidate, and one Peace and Freedom Party member ran in that district.Partisan Voter Index
Heading into the 2024 elections, based on results from the 2020 and 2016 presidential elections, the Cook Partisan Voter Index for this district was D+12. This meant that in those two presidential elections, this district's results were 12 percentage points more Democratic than the national average. This made California's 39th the 117th most Democratic district nationally.[9]
2020 presidential election results
The table below shows what the vote in the 2020 presidential election would have been in this district. The presidential election data was compiled by Daily Kos.
2020 presidential results in California's 39th based on 2024 district lines | ||||
---|---|---|---|---|
Joe Biden ![]() |
Donald Trump ![]() | |||
62.0% | 35.8% |
Inside Elections Baselines
- See also: Inside Elections
Inside Elections' Baseline is a figure that analyzes all federal and statewide election results from the district over the past four election cycles. The results are combined in an index estimating the strength of a typical Democratic or Republican candidate in the congressional district.[10] The table below displays the Baseline data for this district.
Inside Elections Baseline for 2024 | ||||
---|---|---|---|---|
Democratic Baseline ![]() |
Republican Baseline ![]() |
Difference | ||
57.8 | 41.9 | D+15.9 |
Presidential voting history
California presidential election results (1900-2020)
- 15 Democratic wins
- 15 Republican wins
- 1 other win
Year | 1900 | 1904 | 1908 | 1912 | 1916 | 1920 | 1924 | 1928 | 1932 | 1936 | 1940 | 1944 | 1948 | 1952 | 1956 | 1960 | 1964 | 1968 | 1972 | 1976 | 1980 | 1984 | 1988 | 1992 | 1996 | 2000 | 2004 | 2008 | 2012 | 2016 | 2020 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Winning Party | R | R | R | P[11] | D | R | R | R | D | D | D | D | D | R | R | R | D | R | R | R | R | R | R | D | D | D | D | D | D | D | D |
Congressional delegation
The table below displays the partisan composition of California's congressional delegation as of May 2024.
Congressional Partisan Breakdown from California | |||
---|---|---|---|
Party | U.S. Senate | U.S. House | Total |
Democratic | 2 | 43 | 45 |
Republican | 0 | 9 | 9 |
Independent | 0 | 0 | 0 |
Vacancies | 0 | 0 | 0 |
Total | 2 | 52 | 54 |
State executive
The table below displays the officeholders in California's top four state executive offices as of May 2024.
State executive officials in California, May 2024 | |
---|---|
Office | Officeholder |
Governor | ![]() |
Lieutenant Governor | ![]() |
Secretary of State | ![]() |
Attorney General | ![]() |
State legislature
California State Senate
Party | As of February 2024 | |
---|---|---|
Democratic Party | 32 | |
Republican Party | 8 | |
Other | 0 | |
Vacancies | 0 | |
Total | 40 |
California State Assembly
Party | As of February 2024 | |
---|---|---|
Democratic Party | 62 | |
Republican Party | 18 | |
Independent | 1 | |
Other | 0 | |
Vacancies | 0 | |
Total | 80 |
Trifecta control
The table below shows the state's trifecta status from 1992 until the 2024 election.
California Party Control: 1992-2024
Nineteen years of Democratic trifectas • No Republican trifectas
Scroll left and right on the table below to view more years.
Year | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Governor | R | R | R | R | R | R | R | D | D | D | D | D | R | R | R | R | R | R | R | D | D | D | D | D | D | D | D | D | D | D | D | D | D |
Senate | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D |
Assembly | D | D | D | S | R | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D | D |
District history
The section below details election results for this office in elections dating back to 2018.
2022
General election
General election for U.S. House California District 39
Incumbent Mark Takano defeated Aja Smith in the general election for U.S. House California District 39 on November 8, 2022.
Candidate | % | Votes | ||
✔ | ![]() | Mark Takano (D) | 57.7 | 75,896 |
![]() | Aja Smith (R) | 42.3 | 55,701 |
Total votes: 131,597 | ||||
![]() | ||||
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Nonpartisan primary election
Nonpartisan primary for U.S. House California District 39
The following candidates ran in the primary for U.S. House California District 39 on June 7, 2022.
Candidate | % | Votes | ||
✔ | ![]() | Mark Takano (D) | 57.1 | 44,067 |
✔ | ![]() | Aja Smith (R) | 12.6 | 9,751 |
Bill Spinney (R) | 9.6 | 7,421 | ||
![]() | Tony Moreno (R) | 7.2 | 5,527 | |
![]() | Art Peterson (R) ![]() | 6.6 | 5,081 | |
![]() | John Minnella (R) ![]() | 4.7 | 3,662 | |
![]() | Emmanuel Suarez (R) ![]() | 2.1 | 1,600 |
Total votes: 77,109 | ||||
![]() | ||||
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Withdrawn or disqualified candidates
- Oray Auzenne (D)
2020
General election
General election for U.S. House California District 39
Young Kim defeated incumbent Gil Cisneros in the general election for U.S. House California District 39 on November 3, 2020.
Candidate | % | Votes | ||
✔ | Young Kim (R) | 50.6 | 173,946 | |
![]() | Gil Cisneros (D) | 49.4 | 169,837 |
Total votes: 343,783 | ||||
![]() | ||||
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Nonpartisan primary election
Nonpartisan primary for U.S. House California District 39
Young Kim and incumbent Gil Cisneros defeated Steve Cox in the primary for U.S. House California District 39 on March 3, 2020.
Candidate | % | Votes | ||
✔ | Young Kim (R) | 48.3 | 83,941 | |
✔ | ![]() | Gil Cisneros (D) | 46.9 | 81,402 |
![]() | Steve Cox (Independent) | 4.8 | 8,286 |
Total votes: 173,629 | ||||
![]() | ||||
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Withdrawn or disqualified candidates
- Jay Chen (D)
2018
General election
General election for U.S. House California District 39
Gil Cisneros defeated Young Kim in the general election for U.S. House California District 39 on November 6, 2018.
Candidate | % | Votes | ||
✔ | ![]() | Gil Cisneros (D) | 51.6 | 126,002 |
Young Kim (R) | 48.4 | 118,391 |
Total votes: 244,393 | ||||
![]() | ||||
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Nonpartisan primary election
Nonpartisan primary for U.S. House California District 39
The following candidates ran in the primary for U.S. House California District 39 on June 5, 2018.
Candidate | % | Votes | ||
✔ | Young Kim (R) | 21.2 | 30,019 | |
✔ | ![]() | Gil Cisneros (D) | 19.4 | 27,469 |
![]() | Phil Liberatore (R) | 14.3 | 20,257 | |
![]() | Andy Thorburn (D) | 9.2 | 12,990 | |
![]() | Shawn Nelson (R) | 6.9 | 9,750 | |
![]() | Bob Huff (R) | 6.2 | 8,699 | |
![]() | Sam Jammal (D) | 5.4 | 7,613 | |
![]() | Mai Khanh Tran (D) ![]() | 5.3 | 7,430 | |
![]() | Herbert Lee (D) | 4.2 | 5,988 | |
![]() | Steve Vargas (R) | 2.9 | 4,144 | |
Suzi Park Leggett (D) | 1.5 | 2,058 | ||
![]() | John Cullum (R) | 1.2 | 1,747 | |
Karen Lee Schatzle (Independent) | 0.6 | 903 | ||
![]() | Steve Cox (Independent) | 0.6 | 856 | |
![]() | Andrew Sarega (R) | 0.6 | 823 | |
![]() | Sophia Alexander (Independent) | 0.4 | 523 | |
![]() | Ted Alemayhu (Independent American Party) | 0.1 | 176 |
Total votes: 141,445 | ||||
![]() | ||||
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Withdrawn or disqualified candidates
- Julio Castañeda (Independent)
- Phil Janowicz (D)
- Ted Rusk (D)
- Cybil Steed (D)
- Jay Chen (D)
See also
External links
Footnotes
- ↑ A majority in the U.S. House when there are no vacancies is 218 seats.
- ↑ These figures include the seat of Rep. Matt Gaetz (R-Fla.), who resigned on Nov. 13, 2024, after winning re-election.
- ↑ Daily Kos, "Daily Kos Elections' 2020 presidential results by congressional district, for new and old districts," accessed September 15, 2022
- ↑ Inside Elections also uses Tilt ratings to indicate an even smaller advantage and greater competitiveness.
- ↑ Amee LaTour, "Email correspondence with Nathan Gonzalez," April 19, 2018
- ↑ Amee LaTour, "Email correspondence with Kyle Kondik," April 19, 2018
- ↑ Amee LaTour, "Email correspondence with Charlie Cook," April 22, 2018
- ↑ 2,000 signatures can be provided in lieu of the filing fee
- ↑ Cook Political Report, "The 2022 Cook Partisan Voting Index (Cook PVI℠)," accessed January 10, 2024
- ↑ Inside Elections, "Methodology: Inside Elections’ Baseline by Congressional District," December 8, 2023
- ↑ Progressive Party