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California's 1st Congressional District
Presidential Election Results: –
CA-01 (California) voted R+24.9 for Donald Trump in 2024, with Trump receiving 199,649 votes (61.07%). This represented a R+5.8% swing toward Republicans compared to 2020.
Interactive map with district profile in split-screen view
Top reported ancestry groups (compared to national average).
CA-01 • 2008–2024
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 36.1%(118,090) | 61.1%(199,649) | R+24.9 | R+5.8% |
| 2020 | 39.2%(136,550) | 58.3%(203,077) | R+19.1 | D+2.7% |
| 2016 | 35.6%(106,000) | 57.4%(170,897) | R+21.8 | R+3.2% |
| 2012 | 40.7%(111,913) | 59.3%(163,075) | R+18.6 | R+4.4% |
| 2008 | 42.5%(126,839) | 56.7%(169,249) | R+14.2 | 0% |
| Year | Winner | Democrat | Republican | Other | Margin | Swing |
|---|---|---|---|---|---|---|
| 2024 | Doug LaMalfaInc | 34.7%(110,636) | 65.3%(208,592) | — | R+30.7 | 0.0 |
| 2022 | Doug LaMalfaInc | 37.9%(93,386) | 62.1%(152,839) | — | R+24.1 | 0.0 |
Source: Official state election returns via FEC and state Secretaries of State