| Kamala Harris ✓Democratic | 66.8% | 13,656 |
|---|---|---|
| Donald TrumpRepublican | 29.9% | 6,109 |
| OtherAll other candidates | 3.3% | 685 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +38.9% |
| 2012 | +35.4% |
| 2016 | +38.1% |
| 2020 | +41.6% |
| 2024 | +36.9% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| D | 66.8%Harris13,656 | 29.9%Trump6,109 | 3.3% | 20,450 | ||
| D | 69.5%Biden15,272 | 27.9%Trump6,138 | 2.6%incl. Jorgensen | 21,979 | ||
| D | 65.6%Clinton12,262 | 27.4%Trump5,128 | 7.0%incl. Johnson | 18,703 | ||
| D | 67.7%Obama11,451 | 32.3%Romney5,462 | 0.0% | 16,913 | ||
| D | 69.3%Obama12,653 | 30.4%McCain5,557 | 0.3% | 18,265 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | MartinezCity | CaliforniaState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 63.1% | 39.7% | 61.0% |
| Black | 2.3% | 5.4% | 12.2% |
| Asian | 10.2% | 15.5% | 6.0% |
| Two or more races | 18.9% | 19.2% | 12.6% |
| Other race | 5.6% | 20.1% | 8.2% |
| Hispanic or Latino | 20.2% | 40.1% | 19.3% |
| Income & Age | |||
| Median household income | $127,355 | $99,122 | $84,427 |
| Poverty rate | 6.3% | 12.0% | 12.5% |
| Median age | 42.6 | 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+) | 45.2% | 36.6% | 35.6% |
| Speaks a non-English language at home | 37.5% | 44.4% | 22.3% |
| Spanish | 19.1% | 28.4% | 13.6% |
| Other Indo-European | 4.7% | 3.4% | 2.0% |
| Chinese (incl. Mandarin & Cantonese) | 3.5% | 3.5% | 1.1% |
| Tagalog (incl. Filipino) | 3.1% | 2.1% | 0.6% |
| 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.
Martinez sits in the Pacific Coast. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 41.6 points in 2020. Between 2020 and 2024 the city moved 4.7 points toward the Republican candidate; the 2024 margin was 36.9 points.
A population of 36,903, a 63% non-Hispanic-white share, and a median household income of $127,355 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 →
Martinez, California. Akashic. https://akashic.app/city/0646114/. Accessed May 20, 2026. License: CC BY 4.0.