United States › California › San Marino CITY · 2020 ACS
San Marino California · 12,513 residents · 3.77 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
San Marino is home to 12,513 people in California. That is roughly 109% ahead of the California median. 78% of adults hold a bachelor's degree, against 33% nationally. Home values have roughly tripled since 2000, reaching $2,000,000+. The median household earns $164,423, about 148% above the national median. Median rent is $3,500+ a month.
At a glance
Wealthier
above the US median
US median: $66,278
Older
median age 48.1
US median: 38.8
More educated
78% hold a bachelor's degree
US average: 33%
Less affordable
home values up 93%, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 42.7 in 2000
US average: 38.8
Population, 1990 – 2024
12K 12K 13K 13K 13K 1990 2000 2010 2020 2024 San Marino Age distribution, 2020
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Section 02
Income & economy $164,423
−7%inflation adjusted, since 2000
from $117,267 in 2000
US average: $66,278
from $59,150 in 2000
US average: $35,364
Households earning $100K+
from 79.8% in 2009
US average: 43.9%
from 5.0% in 2000
US average: 12.8%
Workforce by industry, 2020
Public administration 9.7%
Transportation & warehousing 9%
Professional, scientific, technical 4%
Arts, entertainment, food 3.3%
Agriculture, forestry, fishing 0.5%
Education & health services 0%
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$2,000,001
+93%inflation adjusted, since 2000
from $688,700 in 2000
US average: $265,253
$3,501
+16%inflation adjusted, since 2000
from $2,001 in 2000
US average: $1,124
from 91.6% in 2000
15.2% rent
from 2.99 people in 2009
US average: 2.61
from 6.2 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 44.6%(5,771)
Hispanic / Latino 4.4%(571)
2020
White, non-Hispanic 27.7%(3,469)
Hispanic / Latino 7.1%(888)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 20 more ancestry groups with data from 69.7% in 2000
US average: 32.9%
High school or higher
from 95.4% in 2000
US average: 88.5%
from 33.0% in 2000
US average: 12.7%
Section 06
Commute & transportation from 19.4 min in 2000
US average: 26.9
from 76.6% in 2009
US average: 75.1%
from 2.2% in 2009
US average: 8.4%
Section 07
Work & employment from 3.7% in 2011
US average: 5.4%
from 55.3% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 71.1% in 2009
US average: 39.3%
Section 08
People & community from 37.4% in 2009
US average: 13.5%
from 4.1% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 27.7%(1,361)
Women 15+
Never married 22.7%(1,140)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 4.1% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 3.4%(9)
Share of the 265 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to San Marino Head to head
Compare San Marino to nearby cities SAN MARINO VS
East San Gabriel
Income $108,677 −34%
Home value $962,200 −52%
Population 23,410 +96%
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SAN MARINO VS
San Gabriel
Income $90,488 −45%
Home value $945,700 −53%
Population 38,186 +219%
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SAN MARINO VS
South Pasadena
Income $127,175 −23%
Home value $1,640,000 −18%
Population 25,503 +113%
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SAN MARINO VS
Pasadena
Income $105,192 −36%
Home value $1,093,300 −45%
Population 135,804 +1035%
SEE FULL COMPARISON →
Frequently asked
How many people live in San Marino, California? San Marino, California has about 12,513 residents according to the 2020 American Community Survey.
What is the median household income in San Marino, California? The typical household in San Marino, California earns about $164,423 a year. Half of households make more than that, and half make less.
Is San Marino, California expensive? In San Marino, California, the median home is worth about $2,000,001, and the typical rent is about $3,501 a month.
How educated are people in San Marino, California? About 78.2% of adults age 25 and over in San Marino, California hold a bachelor's degree or higher.
What is the poverty rate in San Marino, California? About 7.1% of people in San Marino, California live below the federal poverty line.
Has San Marino, California grown since 1990? Yes, San Marino, California has shrunk since 1990. The population has lost about 446 residents, a change of about -3 percent over that period.
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