| Kamala Harris ✓Democratic | 68.3% | 999 |
|---|---|---|
| Donald TrumpRepublican | 28.9% | 422 |
| OtherAll other candidates | 2.8% | 41 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +71.4% |
| 2012 | +77.5% |
| 2016 | +76.1% |
| 2020 | +62.1% |
| 2024 | +39.5% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| D | 68.3%Harris999 | 28.9%Trump422 | 2.8% | 1,462 | ||
| D | 80.2%Biden1,417 | 18.1%Trump319 | 1.8%incl. Jorgensen | 1,767 | ||
| D | 86.4%Clinton1,140 | 10.3%Trump136 | 3.3%incl. Johnson | 1,320 | ||
| D | 88.8%Obama1,004 | 11.2%Romney127 | 0.0% | 1,131 | ||
| D | 85.2%Obama970 | 13.8%McCain157 | 1.1% | 1,139 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | CastrovilleCity | CaliforniaState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 14.6% | 39.7% | 61.0% |
| Black | 1.1% | 5.4% | 12.2% |
| Asian | 1.6% | 15.5% | 6.0% |
| Two or more races | 16.2% | 19.2% | 12.6% |
| Other race | 66.5% | 20.1% | 8.2% |
| Hispanic or Latino | 91.3% | 40.1% | 19.3% |
| Income & Age | |||
| Median household income | $89,354 | $99,122 | $84,427 |
| Poverty rate | 18.4% | 12.0% | 12.5% |
| Median age | 30.4 | 37.9 | 39.1 |
| Age 18–24 | 10.0% | 9.1% | 9.2% |
| Age 65 and older | 14.8% | 15.6% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 28.2% | 36.6% | 35.6% |
| Speaks a non-English language at home | 56.3% | 44.4% | 22.3% |
| Spanish | 49.8% | 28.4% | 13.6% |
| Tagalog (incl. Filipino) | 1.3% | 2.1% | 0.6% |
| Other Indo-European | 1.2% | 3.4% | 2.0% |
| Ancestry | |||
| Largest ancestry | English 5.7% | German 6.8% | German 12.5% |
| 2nd-largest ancestry | German 5.6% | English 6.3% | English 9.5% |
| 3rd-largest ancestry | Irish 5.0% | Irish 5.9% | Irish 9.4% |
| Religion | |||
| Catholic | 46.4%County context | 26.2% | 18.6% |
| Evangelical Protestant | 5.0%County context | 9.0% | 16.5% |
| Unaffiliated or unclaimed | 40.3%County context | 55.2% | 51.5% |
ACS values are survey estimates and may include margins of error.
Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
Castroville sits in the Pacific Coast. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 77.5 points in 2012. Between 2020 and 2024 the city moved 22.7 points toward the Republican candidate; the 2024 margin was 39.5 points.
A population of 6,720, a 15% non-Hispanic-white share, and a median household income of $89,354 describe the city.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Castroville, California. Akashic. https://akashic.app/city/0611978/. Accessed May 20, 2026. License: CC BY 4.0.