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CITY · 2000 CENSUS

San Marino

California · 12,945 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 $117,267. Population has held roughly steady since 1990. 70% of adults hold a bachelor's degree or higher, well above the national rate of 24%. Median home value is $688,700. With a median age of 42.7, the population is older than the US median of 35.2. Households here earn about 147% more than the California median.

At a glance
Wealthier
above the US median
US median: $42,589
Older
median age 42.7
US median: 35.2
More educated
70% hold a bachelor's degree
US average: 24%
Stable housing
home values roughly flat, inflation adjusted
US median home: $120,530
Section 01

Population & growth

Total population
12,945
Unchangedsince 1990
from 12,959 in 1990
1990 – 2025
Population density
3,437 / sq mi
Unchangedsince 1990
from 3,441 / sq mi in 1990
US average: 242
Median age
42.7
+4%since 1990
from 41.2 in 1990
US average: 35.2
Population, 1990 – 2024
12K12K13K13K13K1990201020202024San Marino
202412K
1990201020202024
Section 02

Income & economy

Median household income
$117,267
−11%inflation adjusted, since 1990
from $100,077 in 1990
US average: $42,589
1990 – 2024
Per capita income
$59,150
+19%since 1990
from $49,537 in 1990
US average: $21,522
Poverty rate
5.0%
+1.1 ptssince 1990
from 3.9% in 1990
US average: 12.4%
Section 03

Housing

Median home value
$688,700
+5%inflation adjusted, since 1990
from $500,001 in 1990
US average: $120,530
1990 – 2024
Median gross rent
$2,001
+52%inflation adjusted, since 1990
from $1,001 in 1990
US average: $602
Owner-occupied
91.6%
−2.3 ptssince 1990
from 93.9% in 1990
8.4% rent
Afford Score
5.9
+18%since 1990
from 5.0 in 1990
1990 – 2024
RELATED:See current rent listings in San Marino on RentDataNow
Section 04

Race & ethnicity

1990
White, non-Hispanic66.1%(8,569)
Black0.3%(36)
Hispanic / Latino4.9%(635)
Asian32.2%(4,172)
Diversity Score63.3%(8,198)
2000
White, non-Hispanic44.6%(5,771)
Black0.2%(29)
Hispanic / Latino4.4%(571)
Asian48.4%(6,271)
Diversity Score67.9%(8,795)
Diversity Score
68
+7%since 1990
from 63 in 1990
1990 – 2024
Section 05

Education

Bachelor's degree or higher
69.7%
+8.2 ptssince 1990
from 61.5% in 1990
US average: 24.4%
High school or higher
95.4%
+0.2 ptssince 1990
from 95.2% in 1990
US average: 80.3%
Graduate degree
33.0%
+3.6 ptssince 1990
from 29.4% in 1990
US average: 8.8%
Section 06

Commute & transportation

Average commute
19.4 min
−27%since 1990
from 26.6 min in 1990
US average: 17.6
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Drill deeper

Places similar to San Marino

Pinecrest
Pop 18,635
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Pop 13,439
Key Biscayne
Pop 14,815
Lake Butler
Pop 17,125
Places similar to San Marino
Head to head

Compare San Marino to nearby cities

SAN MARINO VS
East San Gabriel
Income$108,677−7%
Home value$962,200+40%
Population23,410+96%
SEE FULL COMPARISON →
SAN MARINO VS
San Gabriel
Income$90,488−23%
Home value$945,700+37%
Population38,186+219%
SEE FULL COMPARISON →
SAN MARINO VS
South Pasadena
Income$127,175+8%
Home value$1,640,000+138%
Population25,503+113%
SEE FULL COMPARISON →
SAN MARINO VS
Pasadena
Income$105,192−10%
Home value$1,093,300+59%
Population135,804+1035%
SEE FULL COMPARISON →
Frequently asked

How many people live in San Marino, California?

San Marino, California has about 12,945 residents according to the 2000 Census.

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

The typical household in San Marino, California earns about $117,267 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 $688,700, and the typical rent is about $2,001 a month.

How educated are people in San Marino, California?

About 69.7% 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 5.0% 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 14 residents, a change of about -0 percent over that period.

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

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