Demographics in San Marcos, CA

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

Where is San Marcos?

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Population

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

Total Population

94,078

Male

46,672

49.6%

Female

47,406

50.4%

Median Age

36.8

Age Distribution

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

Race & Ethnicity

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

White

55.1%

Black

1.5%

Hispanic

37.4%

Asian

10.9%

Two or More

19.3%

Other

12.4%

Education & Household

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

Bachelor's or Higher

27.7%

High School or Higher

38.6%

Foreign Born

22.4%

Veterans

4.7%

Married

42.5%

Avg Household Size

3.0

Marital Status by Age

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

San Marcos, CA has a population of 94,078 with a median age of 36.8. The racial makeup is 55.1% White, 37.4% Hispanic, 1.5% Black, 10.9% Asian. About 27.7% of residents hold a bachelor's degree or higher. The foreign-born population is 22.4%.