Governor
Xavier Becerra
75.7%210,205
Steve Hilton
24.3%67,524
Statewide: Xavier Becerra wins. Called.
San Mateo County, California
2026 election results. Xavier Becerra (D) has 76% of the vote for governor in San Mateo County, with about 94% of the expected vote counted. The margin is 0.7 points more Republican than the 2024 presidential vote here. San Mateo County is split between 2 U.S. House districts.
2026 results in San Mateo County
U.S. House: California 15th District
Kevin Mullin
79.8%171,992
Charles Hoelter
20.2%43,648
Only part of San Mateo County is in this district; these are that part's votes. Whole district: Kevin Mullin wins. Called.
U.S. House: California 16th District
Sam Liccardo
79.5%45,073
Peter Soulé
20.5%11,631
Only part of San Mateo County is in this district; these are that part's votes. Whole district: Sam Liccardo wins. Called.
The leader in San Mateo County is only who has the most votes counted here. Races are won statewide or district-wide, and only the race pages report calls. Last vote update here Nov 13, 5:25 PM.
Compared with 2024
| Race | Margin | 2024 president | Shift |
|---|---|---|---|
| CA Governor | D +51.4 | D +52.1 | R +0.7 |
| CA-15 part of the county | D +59.5 | D +50.9 | D +8.6 |
| CA-16 part of the county | D +59.0 | D +56.4 | D +2.5 |
Margins compare the Democrat and the Republican only. The 2024 column is the presidential margin in the same places as each race's votes here. Shift is this year's margin minus it, shown once at least 90% of the expected vote is counted. A dash means there's no 2024 figure for those exact places.
How San Mateo County has voted for president
| Year | Democrat | Share | Republican | Share | Margin |
|---|---|---|---|---|---|
| 2024 | Kamala Harris | 73.5% | Donald Trump | 23.2% | D +50.3 |
| 2020 | Joe Biden | 77.9% | Donald Trump | 20.2% | D +57.7 |
| 2016 | Hillary Clinton | 75.7% | Donald Trump | 18.4% | D +57.2 |
| 2012 | Barack Obama | 72.1% | Mitt Romney | 25.5% | D +46.7 |
| 2008 | Barack Obama | 73.5% | John McCain | 24.7% | D +48.7 |
| 2004 | John Kerry | 69.7% | George W. Bush | 29.3% | D +40.3 |
| 2000 | Al Gore | 64.3% | George W. Bush | 31.0% | D +33.3 |
Shares are of all presidential votes, and the margin is the Democrat's share minus the Republican's. Since 2000, the presidential margin here has moved D +17.0.
Other counties in California
California results- Alameda County
- Alpine County
- Amador County
- Butte County
- Calaveras County
- Colusa County
- Contra Costa County
- Del Norte County
- El Dorado County
- Fresno County
- Glenn County
- Humboldt County
- Imperial County
- Inyo County
- Kern County
- Kings County
- Lake County
- Lassen County
- Los Angeles County
- Madera County
- Marin County
- Mariposa County
- Mendocino County
- Merced County
- Modoc County
- Mono County
- Monterey County
- Napa County
- Nevada County
- Orange County
- Placer County
- Plumas County
- Riverside County
- Sacramento County
- San Benito County
- San Bernardino County
- San Diego County
- San Francisco County
- San Joaquin County
- San Luis Obispo County
- Santa Barbara County
- Santa Clara County
- Santa Cruz County
- Shasta County
- Sierra County
- Siskiyou County
- Solano County
- Sonoma County
- Stanislaus County
- Sutter County
- Tehama County
- Trinity County
- Tulare County
- Tuolumne County
- Ventura County
- Yolo County
- Yuba County
Sources & scope
Votes for 2026 come from the count this site reads, by county. They're unofficial until California certifies them. Past presidential votes are from MEDSL and VEST, via Polling Forecast. California's own results, deadlines and offices are on the state page.