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California's 4th Congressional District
Presidential Election Results: –
CA-04 (California) voted D+31.2 for Kamala Harris in 2024, with Harris receiving 225,203 votes (64.04%). This represented a R+5.3% swing toward Republicans compared to 2020.
Interactive map with district profile in split-screen view
Top reported ancestry groups (compared to national average).
CA-04 • 2008–2024
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 64.0%(225,203) | 32.8%(115,410) | D+31.2 | R+5.3% |
| 2020 | 67.1%(250,308) | 30.5%(113,844) | D+36.6 | D+2.2% |
| 2016 | 63.6%(199,588) | 29.3%(91,994) | D+34.3 | D+1.7% |
| 2012 | 66.3%(188,046) | 33.7%(95,557) | D+32.6 | R+2.5% |
| 2008 | 67.4%(204,050) | 32.2%(97,591) | D+35.1 | 0% |
| Year | Winner | Democrat | Republican | Other | Margin | Swing |
|---|---|---|---|---|---|---|
| 2024 | Mike ThompsonInc | 66.5%(227,730) | 33.5%(114,950) | — | D+32.9 | 0.0 |
| 2022 | Mike Thompson | 67.8%(176,900) | 32.2%(84,007) | — | D+35.6 | 0.0 |
Source: Official state election returns via FEC and state Secretaries of State