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CITY · 1990 CENSUS

San Marino

California · 12,959 residents · 3.766 sq mi
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The short version

San Marino is significantly wealthier than the US average, with a median household income of $100,077. Population has held roughly steady since 2000. 62% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $500,001. With a median age of 41.2, the population is older than the US median of 33.0. Households here earn about 180% more than the California median.

At a glance
Wealthier
above the US median
US median: $30,130
Older
median age 41.2
US median: 33.0
More educated
62% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01

Population & growth

12,959
Unchangedvs 2000
vs 12,945 in 2000
1990 – 2025
3,441 / sq mi
Unchangedvs 2000
vs 3,437 / sq mi in 2000
US average: 221
41.2
−4%vs 2000
vs 42.7 in 2000
US average: 33.0
Population, 19902024
12K12K13K13K13K1990201020202024San Marino
202412K
1990201020202024
Section 02

Income & economy

$100,077
+12%inflation adjusted, since 2000
vs $117,267 in 2000
US average: $30,130
1990 – 2024
$49,537
−16%vs 2000
vs $59,150 in 2000
US average: $14,340
3.9%
−1.1 ptsvs 2000
vs 5.0% in 2000
US average: 13.2%
Section 03

Housing

$500,001
−4%inflation adjusted, since 2000
vs $688,700 in 2000
US average: $93,722
1990 – 2024
$1,001
−34%inflation adjusted, since 2000
vs $2,001 in 2000
US average: $450
93.9%
+2.3 ptsvs 2000
vs 91.6% in 2000
6.1% rent
5.0
−15%vs 2000
vs 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)
1990
White, non-Hispanic66.1%(8,569)
Black0.3%(36)
Hispanic / Latino4.9%(635)
Asian32.2%(4,172)
Other1.4%(182)
Diversity Score63.3%(8,198)
63
−7%vs 2000
vs 68 in 2000
1990 – 2024
Section 05

Education

61.5%
−8.2 ptsvs 2000
vs 69.7% in 2000
US average: 20.3%
High school or higher
95.2%
−0.2 ptsvs 2000
vs 95.4% in 2000
US average: 75.2%
29.4%
−3.6 ptsvs 2000
vs 33.0% in 2000
US average: 7.1%
Section 06

Commute & transportation

26.6 min
+37%vs 2000
vs 19.4 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in San Marino, California?

San Marino, California has about 12,959 residents according to the 1990 Census.

What is the median household income in San Marino, California?

The typical household in San Marino, California earns about $100,077 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 $500,001, and the typical rent is about $1,001 a month.

How educated are people in San Marino, California?

About 61.5% 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 3.9% of people in San Marino, California live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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