2024 presidential election
San Marino
HarrisD+15.3
Constituent county margins for San Marino, CAOne cell per constituent county, colored by 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), ordered bluest first.
How it voted
Share of the 2024 vote
| Kamala Harris ✓Democratic | 56.2% | 3,664 |
|---|---|---|
| Donald TrumpRepublican | 40.9% | 2,667 |
| OtherAll other candidates | 2.9% | 188 |
D+60R+60
1 counties, each filled by 2024 D-vs-R margin.
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 2008 | −8.6% |
| 2012 | −17.8% |
| 2016 | +15.5% |
| 2020 | +20.5% |
| 2024 | +15.3% |
DemocraticRepublican
5 presidential elections
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| D | 56.2%Harris3,664 | 40.9%Trump2,667 | 2.9% | 6,519 | ||
| D | 59.3%Biden4,346 | 38.7%Trump2,840 | 2.0%incl. Jorgensen | 7,335 | ||
| D | 54.9%Clinton3,095 | 39.4%Trump2,220 | 5.8%incl. Johnson | 5,640 | ||
| R | 41.1%Obama2,484 | 58.9%Romney3,557 | 0.0% | 6,041 | ||
| R | 45.4%Obama2,880 | 54.1%McCain3,428 | 0.5% | 6,339 |
Demographics
Demographic profile
Demographic Profile
Key indicators compared across containing geographies
| Indicator | San MarinoCity | CaliforniaState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 22.7% | 39.7% | 61.0% |
| Black | 0.1% | 5.4% | 12.2% |
| Asian | 68.1% | 15.5% | 6.0% |
| Two or more races | 8.0% | 19.2% | 12.6% |
| Other race | 1.1% | 20.1% | 8.2% |
| Hispanic or Latino | 5.3% | 40.1% | 19.3% |
| Income & Age | |||
| Median household income | $214,167 | $99,122 | $84,427 |
| Poverty rate | 6.7% | 12.0% | 12.5% |
| Median age | 45.7 | 37.9 | 39.1 |
| Age 18–24 | 8.9% | 9.1% | 9.2% |
| Age 65 and older | 15.2% | 15.6% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 36.0% | 36.6% | 35.6% |
| Speaks a non-English language at home | 55.1% | 44.4% | 22.3% |
| Spanish | 37.6% | 28.4% | 13.6% |
| Other Indo-European | 4.1% | 3.4% | 2.0% |
| Chinese (incl. Mandarin & Cantonese) | 4.1% | 3.5% | 1.1% |
| Tagalog (incl. Filipino) | 2.3% | 2.1% | 0.6% |
| Ancestry | |||
| Largest ancestry | Mexican 35.3% | Mexican 32.3% | German 12.5% |
| 2nd-largest ancestry | Salvadoran 4.6% | German 6.8% | Mexican 11.3% |
| 3rd-largest ancestry | Chinese 4.4% | English 6.3% | English 9.5% |
| Religion | |||
| Catholic | 31.5%County context | 26.2% | 18.6% |
| Evangelical Protestant | 8.6%County context | 9.0% | 16.5% |
| Unaffiliated or unclaimed | 48.9%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.
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the origins and ancestries reported within it.
Detailed group · ACS B02015
Chinese
4.4%
Filipino
3.5%
Korean
2.0%
Asian Indian
1.0%
Vietnamese
1.0%
Japanese
0.9%
Taiwanese
0.4%
Cambodian
0.3%
Reported ancestry · ACS B04006
German
4.3%
Irish
3.8%
English
3.8%
American
3.1%
Italian
2.5%
Armenian
2.0%
Polish
1.1%
French
1.0%
The ACS does not publish subgroup detail for people reporting two or more races.
Specific origin · ACS B03001
Mexican
35.3%
Salvadoran
4.6%
Guatemalan
3.0%
Honduran
0.6%
Puerto Rican
0.5%
Cuban
0.4%
Nicaraguan
0.4%
Colombian
0.4%
Tribal grouping · detailed group · ACS B02020 · B02016
American Indian, Alaska Native, Native Hawaiian, Pacific Islander, and other single-race responses combined.
Aztec
0.5%
Maya
0.3%
Below 1% of the population here; subgroup estimates are within the survey's margin of error.
Source · American Community Survey 5-year estimates, 2024 release. Race shares: B02001 · B03003. Subgroup detail: B03001 (Hispanic or Latino specific origin), B02015 (Asian groups), B02020 · B02016 (American Indian/Alaska Native tribes and Pacific Islander groups), B04006 (reported ancestry). Hispanic/Latino is an ethnicity that overlaps the race categories, so group shares can total more than 100%. All subgroup rows are shares of total population; ancestry is self-reported and multiple-response, so rows do not sum to the parent group's share.
2024 ACS
Age distribution by sex
Median age: 45.7 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$214,167
San Marino$214,167
California$99,122
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
6.7%
Children face moderate poverty.
Children under 1817.6%
Working age (18–64)12.5%
Seniors (65+)15.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
44.9%
speak English only
Spanish37.6%
Other Indo-European4.1%
Chinese (incl. Mandarin & Cantonese)4.1%
Tagalog (incl. Filipino)2.3%
Korean1.7%
Other Asian & Pacific Island1.7%
Russian, Polish, or other Slavic0.8%
Vietnamese0.8%
Other languages0.7%
Arabic0.5%
French (incl. Cajun & Haitian)0.4%
German or other West Germanic0.3%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Unaffiliated or not counted48.9%
Source · 2020 US Religion Census. The unaffiliated-or-not-counted share is everyone not claimed as an adherent by any reporting body — uncounted congregations as well as the religiously unaffiliated.
San Marino sits in the Pacific Coast. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 20.5 points in 2020 and a Republican high of 17.8 points in 2012. Between 2020 and 2024 the city moved 5.2 points toward the Republican candidate; the 2024 margin was 15.3 points.
A population of 12,216, a 23% non-Hispanic-white share, and a median household income of $214,167 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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
San Marino, California. Akashic. https://akashic.app/city/0668224/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Frequently asked questions
How did San Marino, California vote in 2024?
In 2024, San Marino, California voted Democratic by 15.3 points (D+15.3), carried by the Democratic candidate. Out of 6,519 votes cast, 3,664 went Democratic and 2,667 went Republican.
What is San Marino, California's political typology?
Akashic places San Marino, California in the "" typology. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 5 elections in the dataset, the city has voted Democratic 3 times, Republican 2 times, and other 0 times.
When did San Marino, California last vote Republican?
The most recent presidential election in which San Marino, California voted Republican was 2012.
How many people live in San Marino, California?
San Marino, California has a population of 12,216 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in San Marino, California?
Median household income in San Marino, California is $214,167 — above the national median of $80,734. The California state median is $99,122.
What is the political history of San Marino, California?
Akashic tracks 5 presidential elections in San Marino, California from 2008 to 2024. Of those, 3 went Democratic and 2 went Republican. The city's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.