| Kamala Harris ✓Democratic | 73.4% | 9,012 |
|---|---|---|
| Donald TrumpRepublican | 23.7% | 2,908 |
| OtherAll other candidates | 2.9% | 355 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +55.3% |
| 2012 | +60.8% |
| 2016 | +64.4% |
| 2020 | +58.4% |
| 2024 | +49.7% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 9,012 | 2,908 | 12,275 | ||
| D | 10,979 | 2,808 | 13,980 | ||
| D | 8,533 | 1,684 | 10,635 | ||
| D | 7,929 | 1,932 | 9,861 | ||
| D | 8,117 | 2,330 | 10,469 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | HerculesCity | CaliforniaState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 15.3% | 39.7% | 61.0% |
| Black | 18.5% | 5.4% | 12.2% |
| Asian | 44.6% | 15.5% | 6.0% |
| Two or more races | 12.8% | 19.2% | 12.6% |
| Other race | 7.6% | 20.1% | 8.2% |
| Hispanic or Latino | 14.5% | 40.1% | 19.3% |
| Income & Age | |||
| Median household income | $129,397 | $99,122 | $84,427 |
| Poverty rate | 5.6% | 12.0% | 12.5% |
| Median age | 43.9 | 37.9 | 39.1 |
| Age 18–24 | 8.0% | 9.1% | 9.2% |
| Age 65 and older | 17.1% | 15.6% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 46.0% | 37.1% | 35.7% |
| Speaks a non-English language at home | 45.5% | 44.4% | 22.3% |
| Tagalog (incl. Filipino) | 11.9% | 2.1% | 0.6% |
| Spanish | 10.0% | 28.3% | 13.6% |
| Other Indo-European | 10.0% | 3.5% | 2.0% |
| Chinese (incl. Mandarin & Cantonese) | 4.2% | 3.5% | 1.1% |
| Ancestry | |||
| Largest ancestry | German 8.0% | German 6.8% | German 12.5% |
| 2nd-largest ancestry | English 8.0% | English 6.3% | English 9.5% |
| 3rd-largest ancestry | Irish 7.3% | Irish 5.9% | Irish 9.4% |
| Religion | |||
| Catholic | 26.8%County context | 26.2% | 18.6% |
| Evangelical Protestant | 5.4%County context | 9.0% | 16.5% |
| Unaffiliated or unclaimed | 58.3%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.
Hercules sits in the Pacific Coast. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 64.4 points in 2016. Between 2020 and 2024 the city moved 8.7 points toward the Republican candidate; the 2024 margin was 49.7 points.
A population of 26,302, a 15% non-Hispanic-white share, and a median household income of $129,397 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 →
Hercules, California. Akashic. https://akashic.app/city/0633308/. Accessed May 20, 2026. License: CC BY 4.0.