Demographics in San Mateo, CA

Population, age, race, ethnicity, and household statistics — 2023 ACS Data

Where is San Mateo?

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Population

Source: U.S. Census Bureau ACS (2023)

Total Population

103,555

Male

51,380

49.6%

Female

52,175

50.4%

Median Age

38.0

Age Distribution

Source: U.S. Census Bureau ACS (2023)

Race & Ethnicity

Source: U.S. Census Bureau ACS (2023)

White

41.2%

Black

1.5%

Hispanic

26.8%

Asian

27.1%

Two or More

13.3%

Other

13.9%

Education & Household

Source: U.S. Census Bureau ACS (2023)

Bachelor's or Higher

42.1%

High School or Higher

51.0%

Foreign Born

36.6%

Veterans

2.1%

Married

42.6%

Avg Household Size

2.6

Marital Status by Age

Source: U.S. Census Bureau ACS (2023)

San Mateo, CA has a population of 103,555 with a median age of 38.0. The racial makeup is 41.2% White, 26.8% Hispanic, 1.5% Black, 27.1% Asian. About 42.1% of residents hold a bachelor's degree or higher. The foreign-born population is 36.6%.