| Kamala Harris ✓Democratic | 74.1% | 4,774 |
|---|---|---|
| Donald TrumpRepublican | 23.2% | 1,493 |
| OtherAll other candidates | 2.7% | 173 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +46.2% |
| 2012 | +45.2% |
| 2016 | +48.4% |
| 2020 | +53.2% |
| 2024 | +50.9% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 4,774 | 1,493 | 6,440 | ||
| D | 4,762 | 1,403 | 6,316 | ||
| D | 3,986 | 1,273 | 5,601 | ||
| D | 3,876 | 1,464 | 5,340 | ||
| D | 4,138 | 1,521 | 5,668 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | Rio del MarCity | CaliforniaState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 80.8% | 39.7% | 61.0% |
| Black | 0.1% | 5.4% | 12.2% |
| Asian | 3.2% | 15.5% | 6.0% |
| Two or more races | 13.7% | 19.2% | 12.6% |
| Other race | 2.2% | 20.1% | 8.2% |
| Hispanic or Latino | 11.1% | 40.1% | 19.3% |
| Income & Age | |||
| Median household income | $159,929 | $99,122 | $84,427 |
| Poverty rate | 2.3% | 12.0% | 12.5% |
| Median age | 51.4 | 37.9 | 39.1 |
| Age 18–24 | 14.1% | 9.1% | 9.2% |
| Age 65 and older | 19.0% | 15.6% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 65.2% | 37.1% | 35.7% |
| Speaks a non-English language at home | 12.6% | 44.4% | 22.3% |
| Spanish | 5.8% | 28.3% | 13.6% |
| Other Indo-European | 1.6% | 3.5% | 2.0% |
| Russian, Polish, or other Slavic | 1.5% | 0.7% | 0.7% |
| Arabic | 1.4% | 0.6% | 0.5% |
| Ancestry | |||
| Largest ancestry | English 11.8% | German 6.8% | German 12.5% |
| 2nd-largest ancestry | German 11.3% | English 6.3% | English 9.5% |
| 3rd-largest ancestry | Irish 10.5% | Irish 5.9% | Irish 9.4% |
| Religion | |||
| Catholic | 25.8%County context | 26.2% | 18.6% |
| Evangelical Protestant | 4.9%County context | 9.0% | 16.5% |
| Unaffiliated or unclaimed | 60.5%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.
Rio del Mar sits in the Pacific Coast. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 53.2 points in 2020. Between 2020 and 2024 the city moved 2.2 points toward the Republican candidate; the 2024 margin was 50.9 points.
A population of 9,201, a 81% non-Hispanic-white share, and a median household income of $159,929 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 →
Rio del Mar, California. Akashic. https://akashic.app/city/0660928/. Accessed May 20, 2026. License: CC BY 4.0.