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CITY · 2020 ACS

San Marino

California · 12,513 residents · 3.766 sq mi
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San Marino is significantly wealthier than the US average, with a median household income of $164,423. Population has declined 3% since 2000. 78% of adults hold a bachelor's degree or higher, well above the national rate of 33%. Median home value has roughly tripled since 2000, reaching $2,000,001. With a median age of 48.1, the population is older than the US median of 38.8. Households here earn about 109% more than the California median.

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

Total population
12,513
−3%since 2000
from 12,945 in 2000
1990 – 2025
Population density
3,323 / sq mi
−3%since 2000
from 3,437 / sq mi in 2000
US average: 280
Median age
48.1
+13%since 2000
from 42.7 in 2000
US average: 38.8
Population, 1990 – 2024
12K12K13K13K13K1990201020202024San Marino
202412K
1990201020202024
Section 02

Income & economy

Median household income
$164,423
−7%inflation adjusted, since 2000
from $117,267 in 2000
US average: $66,278
1990 – 2024
Per capita income
$73,504
+24%since 2000
from $59,150 in 2000
US average: $35,364
Households earning $100K+
77.0%
−2.9 ptssince 2009
from 79.8% in 2009
US average: 43.9%
Poverty rate
7.1%
+2.2 ptssince 2000
from 5.0% in 2000
US average: 12.8%
Workforce by industry, 2020
Other services15.9%
US avg: 6.6%
Public administration9.7%
US avg: 4.7%
Transportation & warehousing9%
US avg: 2.5%
Retail trade6.5%
US avg: 10%
Information6.3%
US avg: 11.1%
Finance & insurance4%
US avg: 5.5%
Professional, scientific, technical4%
US avg: 4.7%
Arts, entertainment, food3.3%
US avg: 2%
Wholesale trade2%
US avg: 6.7%
Agriculture, forestry, fishing0.5%
US avg: 1.7%
Manufacturing0.5%
US avg: 0.5%
Construction0%
US avg: 1.2%
Education & health services0%
US avg: 0.8%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$2,000,001
+93%inflation adjusted, since 2000
from $688,700 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$3,501
+16%inflation adjusted, since 2000
from $2,001 in 2000
US average: $1,124
Owner-occupied
84.8%
−6.9 ptssince 2000
from 91.6% in 2000
15.2% rent
Afford Score
12.2
+107%since 2000
from 5.9 in 2000
1990 – 2024
RELATED:See current rent listings in San Marino on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic44.6%(5,771)
Black0.2%(29)
Hispanic / Latino4.4%(571)
Asian48.4%(6,271)
Other0%
Diversity Score67.9%(8,795)
2020
White, non-Hispanic27.7%(3,469)
Black0.5%(58)
Hispanic / Latino7.1%(888)
Asian60.6%(7,581)
Other1.8%(231)
Diversity Score66.2%(8,280)
Diversity Score
66
−3%since 2000
from 68 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
78.2%
+8.5 ptssince 2000
from 69.7% in 2000
US average: 32.9%
High school or higher
96.9%
+1.5 ptssince 2000
from 95.4% in 2000
US average: 88.5%
Graduate degree
38.0%
+5.1 ptssince 2000
from 33.0% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
30.3 min
+56%since 2000
from 19.4 min in 2000
US average: 26.9
Drive alone to work
70.6%
−6.0 ptssince 2009
from 76.6% in 2009
US average: 75.1%
No vehicle available
1.5%
−0.7 ptssince 2009
from 2.2% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
2.2%
−1.5 ptssince 2011
from 3.7% in 2011
US average: 5.4%
Labor force participation
56.3%
+1.0 ptssince 2011
from 55.3% in 2011
US average: 63.4%
Management & professional
62.7%
−25.2 ptssince 2009
from 87.9% in 2009
US average: 39.3%
Section 08

People & community

Male
50.8%
+3.7 ptssince 2009
from 47.2% in 2009
Female
49.2%
−3.7 ptssince 2009
from 52.8% in 2009
Foreign born
43.3%
+5.9 ptssince 2009
from 37.4% in 2009
US average: 13.5%
Uninsured
4.0%
−91.9 ptssince 2013
from 95.9% in 2013
US average: 8.8%
Drill deeper

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Compare San Marino to nearby cities

SAN MARINO VS
East San Gabriel
Income$108,677−34%
Home value$962,200−52%
Population23,410+96%
SEE FULL COMPARISON →
SAN MARINO VS
San Gabriel
Income$90,488−45%
Home value$945,700−53%
Population38,186+219%
SEE FULL COMPARISON →
SAN MARINO VS
South Pasadena
Income$127,175−23%
Home value$1,640,000−18%
Population25,503+113%
SEE FULL COMPARISON →
SAN MARINO VS
Pasadena
Income$105,192−36%
Home value$1,093,300−45%
Population135,804+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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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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