Data as of October 18, 2026 · refreshed automatically from the official California voter file
San Benito County, CA has 39,900 active registered voters — 28.0% Republican, 45.4% Democratic, and 19.4% with no party affiliation, as of October 2026.
Party registration
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 4072300 | 523 | 347 | 66.35% |
| 2 | 4775450 | 524 | 338 | 64.5% |
| 3 | 4575451 | 483 | 310 | 64.18% |
| 4 | 2877081 | 404 | 259 | 64.11% |
| 5 | 1971700 | 509 | 320 | 62.87% |
| 6 | 2678000 | 593 | 361 | 60.88% |
| 7 | 4775651 | 402 | 242 | 60.2% |
| 8 | 2679000 | 584 | 338 | 57.88% |
| 9 | 1971703 | 459 | 263 | 57.3% |
| 10 | 2016071 | 589 | 333 | 56.54% |
Supervoters are active registered voters who cast a ballot in at least 3 of the last 4 November general elections (2018–2024). Percentages are precinct totals from the official state voter file — no individual voter information is shown. Precincts with fewer than 400 active voters are excluded.
How San Benito County voted for president
Election results are public records.
San Benito County at a glance.
San Benito County had an estimated 69,159 residents in July 2024, the 40th most populous of California's 58 counties, up 7.7% since the 2020 census. Of those, 52,121 are 18 or older, the voting-age population, and 14.2% are 65 or older. Its 39,900 active registered voters equal about 76.6% of that voting-age population.
It covers 1,389 square miles of land (50 people per square mile), and 31.8% of residents live outside any incorporated city or town. The largest cities and towns are Hollister (45,033) and San Juan Bautista (2,118). The American Community Survey (2020-2024) puts it at a median age of 36.1, a median household income of $114,394, 24.1% of adults 25 and older holding a bachelor's degree or higher and 67.9% of occupied homes owned by the people living in them.
In 2024, 27,649 votes were cast for president, about 53.0% of the voting-age population; the Democratic ticket took 54.9% and the Republican ticket 42.3%. The two-party margin moved from D+22.8 in 2008 to D+12.6 in 2024.
- Population (2024 estimate)
- 69,159
- Population (2020 census base)
- 64,209
- Voting-age population (18+)
- 52,121
- Active voters per 100 adults
- 76.6
- Residents 65 and older
- 14.2%
- People per square mile
- 50
- Living outside incorporated places
- 31.8%
- Land area
- 1,389 sq mi
- Median age
- 36.1
- Median household income
- $114,394
- Adults 25+ with a bachelor's degree
- 24.1%
- Owner-occupied homes
- 67.9%
Largest cities and towns
- Hollister 45,033
- San Juan Bautista 2,118
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 54.9% | 42.3% | D+12.6 | 27,649 |
| 2020 | 61.2% | 36.7% | D+24.5 | 28,821 |
| 2016 | 57.2% | 36.8% | D+20.4 | 17,572 |
| 2012 | 57.6% | 40.4% | D+17.2 | 14,972 |
| 2008 | 60.5% | 37.7% | D+22.8 | 19,705 |
Sources: U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer; American Community Survey 2020–2024 5-year estimates; certified county presidential returns. Growth, density and turnout are simple arithmetic on those figures.
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