San Marino, California Population 2024

11,602

San Marino is a city located in Los Angeles County California. San Marino has a 2024 population of 11,602. San Marino is currently declining at a rate of -1.84% annually and its population has decreased by -7.01% since the most recent census, which recorded a population of 12,476 in 2020.

The average household income in San Marino is $271,401 with a poverty rate of 9.03%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in San Marino is 45.5 years, 42.7 years for males, and 48 years for females.

San Marino Demographics

According to the most recent ACS, the racial composition of San Marino was:

  • Asian: 68.45%
  • White: 25.04%
  • Two or more races: 5.04%
  • Other race: 0.76%
  • Black or African American: 0.51%
  • Native Hawaiian or Pacific Islander: 0.14%
  • Native American: 0.06%
Land Area (mi²)
3.8 sq mi
Density (mi²)
3,080.90/sq mi
Growth Since 2020
-7.01% (-874)
The current population of San Marino, California is 11,602 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 12,476.

San Marino, California Population 2024

Population by Race

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Race
Population
Percentage (of total)
Asian8,51768.45%
White3,11525.04%
Two or more races6275.04%
Other race950.76%
Black or African American630.51%
Native Hawaiian or Pacific Islander180.14%
Native American70.06%

Asian

White

Two or more races

Other race

Black or African American

Native Hawaiian or Pacific Islander

Native American

San Marino Population by Race

San Marino Population Pyramid 2024

San Marino Median Age

45.5

Total

42.7

Male

48

Female

San Marino Adults

There are 9,548 adults, (2,654 of whom are seniors) in San Marino.

San Marino Age Dependency

80.5

Age Dependency Ratio

38.5

Old Age Dependency Ratio

42

Child Dependency Ratio

San Marino Sex Ratio

Female6,09749%
Male6,34551%

San Marino Population by Age

San Marino Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3,9163.1483.116.9
Married2,7023.5682.317.7
Non Family5471.1283.516.5
Female4192.9697.42.6
Male2483.3566.933.1

3.3

Average Family Size

3.14

Average Household Size

83.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

San Marino Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

San Marino Educational Attainment by Sex (over 25)

San Marino Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among native american people with a rate of 100%.

San Marino Educational Attainment by Race

All

Male

Female

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$83,456

Average Earnings

$117,593

Average Male

$52,798

Average Female

San Marino Earnings by Educational Attainment

San Marino Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

San Marino Language

40.54% of San Marino residents speak only English, while 59.46% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 52.48% of the population.

San Marino Language

San Marino Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Asian8,51793410.97%
Hispanic7919311.76%
White2,641823.1%
Other956164.21%
Black631523.81%

9.03%

Overall Poverty Rate

8.2%

Male Poverty Rate

9.91%

Female Poverty Rate

Poverty in San Marino

The race most likely to be in poverty in San Marino is Other, with 64.21% below the poverty level.

The race least likely to be in poverty in San Marino is White, with 3.1% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 6.25%. Among those working part-time, it was 12.59%, and for those that did not work, the poverty rate was 14.09%.

San Marino Poverty

rate

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Rate
Poverty
Less Than 9th Grade52.31%
Some College11.79%
Bachelors or Greater8.77%
High School7.14%

San Marino Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed28.97%
Male Unemployed25.45%
Female Employed11.69%
Male Employed7.33%

San Marino Poverty Rate by Employment Status and Sex

San Marino Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

San Marino Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

61.2%

Overall Marriage Rate

63.0%

Male Marriage Rate

59.4%

Female Marriage Rate

San Marino Married by Age and Sex

male

female

San Marino Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

San Marino Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

San Marino Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

235

Number of Veterans

235

Male Veterans

0

Female Veterans

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San Marino Veterans by War

count

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San Marino Veterans by Age

count

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San Marino Veterans by Race

San Marino Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

29.79%

Veteran Disability Rate

San Marino Veterans by Education

LaborForceParticipation

57.1%

Labor Force Participation

54.6%

Employment Rate

4.4%

Unemployment Rate

San Marino Employment by Age

LaborForceParticipation

San Marino Employment by Race

LaborForceParticipation

San Marino Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

40.48%

Born in San Marino

52.7%

Native Born

47.3%

Foreign Born

19.18%

Non Citizen

28.12%

Naturalized

Place of Birth

52.7% of San Marino residents were born in the United States, with 40.48% having been born in California. 19.18% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

San Marino Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202910,509-219-2.04%
202810,728-218-1.99%
202710,946-219-1.96%
202611,165-218-1.92%
202511,383-219-1.89%
202411,602-218-1.84%
202311,820-219-1.82%
202212,039-201-1.64%
202112,240-236-1.89%
202012,476-450-3.48%
201912,926-114-0.87%
201813,040-97-0.74%
201713,137-73-0.55%
201613,210-52-0.39%
201513,26230.02%
201413,259340.26%
201313,225360.27%
201213,189410.31%
201113,148460.35%
201013,10200%
200012,945-14-0.11%
199012,959-348-2.62%
198013,307-870-6.14%
197014,1775193.8%
196013,6582,42821.62%
195011,2303,05537.37%
19408,1754,445119.17%
19303,7303,146538.7%
1920584-9,925-94.44%
showing: 29 rows

San Marino Population by Year