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California's 48th Congressional District
Presidential Election Results: –
CA-48 (California) voted R+15.3 for Donald Trump in 2024, with Trump receiving 209,800 votes (56.42%). This represented a R+3.0% swing toward Republicans compared to 2020.
Interactive map with district profile in split-screen view
Top reported ancestry groups (compared to national average).
CA-48 • 2008–2024
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 41.1%(152,884) | 56.4%(209,800) | R+15.3 | R+3.0% |
| 2020 | 42.7%(167,285) | 55.0%(215,540) | R+12.3 | D+7.5% |
| 2016 | 37.2%(114,587) | 57.0%(175,666) | R+19.8 | D+7.1% |
| 2012 | 36.5%(103,312) | 63.5%(179,433) | R+26.9 | R+5.4% |
| 2008 | 39.1%(110,190) | 60.6%(170,907) | R+21.5 | 0% |
| Year | Winner | Democrat | Republican | Other | Margin | Swing |
|---|---|---|---|---|---|---|
| 2024 | Darrell IssaInc | 40.7%(146,665) | 59.3%(213,625) | — | R+18.6 | 0.0 |
| 2022 | Darrell Issa | 39.6%(101,900) | 60.4%(155,171) | — | R+20.7 | 0.0 |
Source: Official state election returns via FEC and state Secretaries of State