| District | Incumbent | Candidates |
| Location | 2022PVI | Member | Party | Firstelected | Status |
| California 1 | R+12 | Doug LaMalfa | Republican | 2012 | Incumbent re-elected. | ▌Y Doug LaMalfa (Republican) 65.3% ▌Rose Penelope Yee (Democratic) 34.7% |
| California 2 | D+23 | Jared Huffman | Democratic | 2012 | Incumbent re-elected. | ▌Y Jared Huffman (Democratic) 71.9% ▌Chris Coulombe (Republican) 28.1% |
| California 3 | R+4 | Kevin Kiley | Republican | 2022 | Incumbent re-elected. | ▌Y Kevin Kiley (Republican) 55.5% ▌Jessica Morse (Democratic) 44.5% |
| California 4 | D+17 | Mike Thompson | Democratic | 1998 | Incumbent re-elected. | ▌Y Mike Thompson (Democratic) 66.5% ▌John Munn (Republican) 33.5% |
| California 5 | R+9 | Tom McClintock | Republican | 2008 | Incumbent re-elected. | ▌Y Tom McClintock (Republican) 61.8% ▌Michael Barkley (Democratic) 38.2% |
| California 6 | D+7 | Ami Bera | Democratic | 2012 | Incumbent re-elected. | ▌Y Ami Bera (Democratic) 57.6% ▌Christine Bish (Republican) 42.4% |
| California 7 | D+17 | Doris Matsui | Democratic | 2005 (special) | Incumbent re-elected. | ▌Y Doris Matsui (Democratic) 66.8% ▌Tom Silva (Republican) 33.2% |
| California 8 | D+26 | John Garamendi | Democratic | 2009 (special) | Incumbent re-elected. | ▌Y John Garamendi (Democratic) 74.0% ▌Rudy Recile (Republican) 26.0% |
| California 9 | D+5 | Josh Harder | Democratic | 2018 | Incumbent re-elected. | ▌Y Josh Harder (Democratic) 51.8% ▌Kevin Lincoln (Republican) 48.2% |
| California 10 | D+18 | Mark DeSaulnier | Democratic | 2014 | Incumbent re-elected. | ▌Y Mark DeSaulnier (Democratic) 66.5% ▌Katherine Piccinini (Republican) 33.5% |
| California 11 | D+37 | Nancy Pelosi | Democratic | 1987 (special) | Incumbent re-elected. | ▌Y Nancy Pelosi (Democratic) 81.0% ▌Bruce Lou (Republican) 19.0% |
| California 12 | D+40 | Barbara Lee | Democratic | 1998 (special) | Incumbent retired torun for U.S. Senate.Democratic hold. | ▌Y Lateefah Simon (Democratic) 65.4% ▌Jennifer Tran (Democratic) 34.6% |
| California 13 | D+4 | John Duarte | Republican | 2022 | Incumbent lost re-election.Democratic gain. | ▌Y Adam Gray (Democratic) 50.04% ▌John Duarte (Republican) 49.96% |
| California 14 | D+22 | Eric Swalwell | Democratic | 2012 | Incumbent re-elected. | ▌Y Eric Swalwell (Democratic) 67.8% ▌Vin Kruttiventi (Republican) 32.2% |
| California 15 | D+28 | Kevin Mullin | Democratic | 2022 | Incumbent re-elected. | ▌Y Kevin Mullin (Democratic) 73.1% ▌Anna Cheng Kramer (Republican) 26.9% |
| California 16 | D+26 | Anna Eshoo | Democratic | 1992 | Incumbent retired.New member elected.Democratic hold. | ▌Y Sam Liccardo (Democratic) 58.2% ▌Evan Low (Democratic) 41.8% |
| California 17 | D+23 | Ro Khanna | Democratic | 2016 | Incumbent re-elected. | ▌Y Ro Khanna (Democratic) 67.7% ▌Anita Chen (Republican) 32.3% |
| California 18 | D+21 | Zoe Lofgren | Democratic | 1994 | Incumbent re-elected. | ▌Y Zoe Lofgren (Democratic) 64.6% ▌Peter Hernandez (Republican) 35.4% |
| California 19 | D+18 | Jimmy Panetta | Democratic | 2016 | Incumbent re-elected. | ▌Y Jimmy Panetta (Democratic) 69.3% ▌Jason Anderson (Republican) 30.7% |
| California 20 | R+16 | Vince Fong | Republican | 2024 (special) | Incumbent re-elected. | ▌Y Vince Fong (Republican) 65.1% ▌Mike Boudreaux (Republican) 34.9% |
| California 21 | D+9 | Jim Costa | Democratic | 2004 | Incumbent re-elected. | ▌Y Jim Costa (Democratic) 52.6% ▌Michael Maher (Republican) 47.4% |
| California 22 | D+5 | David Valadao | Republican | 20122018 (lost)2020 | Incumbent re-elected. | ▌Y David Valadao (Republican) 53.4% ▌Rudy Salas (Democratic) 46.6% |
| California 23 | R+8 | Jay Obernolte | Republican | 2020 | Incumbent re-elected. | ▌Y Jay Obernolte (Republican) 60.1% ▌Derek Marshall (Democratic) 39.9% |
| California 24 | D+13 | Salud Carbajal | Democratic | 2016 | Incumbent re-elected. | ▌Y Salud Carbajal (Democratic) 62.7% ▌Thomas Cole (Republican) 37.3% |
| California 25 | D+6 | Raul Ruiz | Democratic | 2012 | Incumbent re-elected. | ▌Y Raul Ruiz (Democratic) 56.3% ▌Ian Weeks (Republican) 43.7% |
| California 26 | D+8 | Julia Brownley | Democratic | 2012 | Incumbent re-elected. | ▌Y Julia Brownley (Democratic) 56.1% ▌Michael Koslow (Republican) 43.9% |
| California 27 | D+4 | Mike Garcia | Republican | 2020 (special) | Incumbent lost re-election.Democratic gain. | ▌Y George Whitesides (Democratic) 51.3% ▌Mike Garcia (Republican) 48.7% |
| California 28 | D+16 | Judy Chu | Democratic | 2009 (special) | Incumbent re-elected. | ▌Y Judy Chu (Democratic) 64.9% ▌April Verlato (Republican) 35.1% |
| California 29 | D+26 | Tony Cárdenas | Democratic | 2012 | Incumbent retired.Democratic hold. | ▌Y Luz Rivas (Democratic) 69.8% ▌Benito Bernal (Republican) 30.2% |
| California 30 | D+23 | Adam Schiff | Democratic | 2000 | Incumbent retired torun for U.S. Senate.New member elected.Democratic hold. | ▌Y Laura Friedman (Democratic) 68.4% ▌Alex Balekian (Republican) 31.6% |
| California 31 | D+15 | Grace Napolitano | Democratic | 1998 | Incumbent retired.Democratic hold. | ▌Y Gil Cisneros (Democratic) 59.7% ▌Daniel Martinez (Republican) 40.3% |
| California 32 | D+20 | Brad Sherman | Democratic | 1996 | Incumbent re-elected. | ▌Y Brad Sherman (Democratic) 66.2% ▌Larry Thompson (Republican) 33.8% |
| California 33 | D+12 | Pete Aguilar | Democratic | 2014 | Incumbent re-elected. | ▌Y Pete Aguilar (Democratic) 58.8% ▌Tom Herman (Republican) 41.2% |
| California 34 | D+32 | Jimmy Gomez | Democratic | 2017 (special) | Incumbent re-elected. | ▌Y Jimmy Gomez (Democratic) 55.6% ▌David Kim (Democratic) 44.4% |
| California 35 | D+13 | Norma Torres | Democratic | 2014 | Incumbent re-elected. | ▌Y Norma Torres (Democratic) 58.4% ▌Mike Cargile (Republican) 41.6% |
| California 36 | D+21 | Ted Lieu | Democratic | 2014 | Incumbent re-elected. | ▌Y Ted Lieu (Democratic) 68.7% ▌Melissa Toomim (Republican) 31.3% |
| California 37 | D+37 | Sydney Kamlager-Dove | Democratic | 2022 | Incumbent re-elected. | ▌Y Sydney Kamlager-Dove (Democratic) 78.3% ▌Juan Rey (No Party Preference) 21.7% |
| California 38 | D+14 | Linda Sánchez | Democratic | 2002 | Incumbent re-elected. | ▌Y Linda Sánchez (Democratic) 59.8% ▌Eric Ching (Republican) 40.2% |
| California 39 | D+12 | Mark Takano | Democratic | 2012 | Incumbent re-elected. | ▌Y Mark Takano (Democratic) 56.7% ▌David Serpa (Republican) 43.3% |
| California 40 | R+2 | Young Kim | Republican | 2020 | Incumbent re-elected. | ▌Y Young Kim (Republican) 55.3% ▌Joe Kerr (Democratic) 44.7% |
| California 41 | R+3 | Ken Calvert | Republican | 1992 | Incumbent re-elected. | ▌Y Ken Calvert (Republican) 51.7% ▌Will Rollins (Democratic) 48.3% |
| California 42 | D+22 | Robert Garcia | Democratic | 2022 | Incumbent re-elected. | ▌Y Robert Garcia (Democratic) 68.1% ▌John Briscoe (Republican) 31.9% |
| California 43 | D+32 | Maxine Waters | Democratic | 1990 | Incumbent re-elected. | ▌Y Maxine Waters (Democratic) 75.1% ▌Steve Williams (Republican) 24.9% |
| California 44 | D+24 | Nanette Barragán | Democratic | 2016 | Incumbent re-elected. | ▌Y Nanette Barragán (Democratic) 71.4% ▌Roger Groh (Republican) 28.6% |
| California 45 | D+2 | Michelle Steel | Republican | 2020 | Incumbent lost re-election.New member elected.Democratic gain. | ▌Y Derek Tran (Democratic) 50.1% ▌Michelle Steel (Republican) 49.9% |
| California 46 | D+15 | Lou Correa | Democratic | 2016 | Incumbent re-elected. | ▌Y Lou Correa (Democratic) 63.4% ▌David Pan (Republican) 36.6% |
| California 47 | D+3 | Katie Porter | Democratic | 2018 | Incumbent retired torun for U.S. Senate.New member elected.Democratic hold. | ▌Y Dave Min (Democratic) 51.4% ▌Scott Baugh (Republican) 48.6% |
| California 48 | R+9 | Darrell Issa | Republican | 20002018 (retired)2020 | Incumbent re-elected. | ▌Y Darrell Issa (Republican) 59.3% ▌Stephen Houlahan (Democratic) 40.7% |