San Mateo County, California
Latest: 2024
Safe Democratic — shifted 7.4pp toward Republicans in 2024 — 40 presidential elections on record
Race & ancestry
| Group | % |
|---|---|
▶White (Non-Hispanic)(13) | 34.7% |
▶Hispanic / Latino(20) | 24.9% |
▶Black / African American(11) | 2.1% |
▶Asian(6) | 31.4% |
▶Middle Eastern / North African(11) | 2.2% |
▶Native American / Alaska Native(4) | 1.1% |
▶Native Hawaiian / Pacific Islander(5) | 1.1% |
Multiracial / Other | 4.6% |
Religious adherence
| Tradition | % Pop | % Adherents |
|---|---|---|
| Catholic | 21.1% | 62.8% |
| Other | 5.8% | 17.2% |
| Evangelical Protestant | 3.5% | 10.4% |
| Mainline Protestant | 1.8% | 5.4% |
| LDS (Mormon) | 1.8% | 5.4% |
| Orthodox Christian | 0.9% | 2.8% |
| Black Protestant | 0.5% | 1.3% |
| Non-religious | 66.3% | — |
Presidential results
| Year | Result |
|---|---|
| 2024 | Harris+50.3 |
| 2020 | Biden+57.7 |
| 2016 | Clinton+57.2 |
| 2012 | Obama+46.7 |
| 2008 | Obama+48.7 |
| 2004 | Kerry+40.2 |
| 2000 | Gore+33.3 |
| 1996 | Clinton+31.3 |
| 1992 | Clinton+26.8 |
Key third-party share (presidential)
1996: Perot 6% · 1992: Perot 18.3%
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