San Marino, California Population 2022

12,387
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San Marino is a city located in Los Angeles County California. With a 2020 population of 12,387, it is the 445th largest city in California and the 3480th largest city in the United States. San Marino is currently declining at a rate of -0.51% annually and its population has decreased by -4.86% since the most recent census, which recorded a population of 13,020 in 2020. Spanning over 4 miles, San Marino has a population density of 3,289 people per square mile.

The average household income in San Marino is $232,829 with a poverty rate of 7.12%. The median rental costs in recent years comes to $3,500 per month, and the median house value is $2.00 Mn. The median age in San Marino is 46.9 years, 44.7 years for males, and 48.3 years for females.

San Marino Demographics

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

  • Asian: 64.55%
  • White: 30.10%
  • Two or more races: 2.37%
  • Other race: 2.26%
  • Black or African American: 0.52%
  • Native Hawaiian or Pacific Islander: 0.19%
  • Native American: 0.00%
The current population of San Marino, California is 12,387 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 13,020.

San Marino, California Population 2022

Population by Race

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San Marino Population by Race

San Marino Population Pyramid 2022

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San Marino Median Age

45.4


Total

42.6


Male

47.1


Female

San Marino Adults

There are 9,926 adults, (2,537 of whom are seniors) in San Marino.

San Marino Age Dependency

Age Dependency Ratio

34.3

Old Age Dependency Ratio

41.9

Child Dependency Ratio

San Marino Sex Ratio

Female

6,401

49.16%

Male

6,619

50.84%

San Marino Population by Age

San Marino Renter vs Owner Occupied by Household Type

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San Marino Household Types

84.5%

Rate of Home Ownership

San Marino Households and Families

3.38

Average Family Size

3.21

Average Household Size

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San Marino Households by Type

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San Marino Educational Attainment by Sex (over 25)

San Marino Educational Attainment by Race

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The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among islander people with a rate of 100.00%.

San Marino Educational Attainment by Race

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$84,896

Average Earnings

$105,546

Average Male

$59,888

Average Female

San Marino Earnings by Educational Attainment

San Marino Language by Age

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San Marino Language

46.80% of San Marino residents speak only English, while 53.20% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 45.03% of the population.

San Marino Language

San Marino Poverty by Race

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7.12%

Overall Poverty Rate

7.16%

Male Poverty Rate

7.08%

Female Poverty Rate

Poverty in San Marino

The race most likely to be in poverty in San Marino is Black, with 8.82% below the poverty level.

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

The poverty rate among those that worked full-time for the past 12 months was 3.84%. Among those working part-time, it was 13.53%, and for those that did not work, the poverty rate was 9.19%.

San Marino Poverty

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San Marino Poverty Rate by Education

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San Marino Poverty Rate by Employment Status and Sex

San Marino Income by Household Type

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Income by Household Type

San Marino Marital Status

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Marriage Rates

65.0%

Overall Marriage Rate

65.5%

Male Marriage Rate

64.5%

Female Marriage Rate

San Marino Married by Age and Sex

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San Marino Marriage

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

San Marino Marital Status by Race

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San Marino Marital Status

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265

Number of Veterans

Male Veterans

Female Veterans

San Marino Veterans by War

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San Marino Veterans by Age

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San Marino Veterans by Race

San Marino Veterans by Education

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0.00%

Veteran Poverty Rate

29.06%

Veteran Disability Rate

San Marino Veterans by Education

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56.3%

Labor Force Participation

55%

Employment Rate

2.2%

Unemployment Rate

San Marino Employment by Age

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San Marino Employment by Race

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San Marino Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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44.72%

Born in San Marino

56.67%

Native Born

43.33%

Foreign Born

17.54%

Non Citizen

25.78%

Naturalized

Place of Birth

56.67% of San Marino residents were born in the United States, with 44.72% having been born in California. 17.54% 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: 2021 and 2022 data is projected

San Marino Population by Year