Demographics in San Marcos, TX

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

68,920

Male

32,337

46.9%

Female

36,583

53.1%

Median Age

25.5

Race & Ethnicity

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

White

63.3%

Black

5.6%

Hispanic

41.9%

Asian

2.1%

Two or More

20.0%

Other

8.2%

Education & Household

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

Bachelor's or Higher

19.3%

High School or Higher

31.3%

Foreign Born

8.3%

Veterans

3.8%

Married

26.3%

Avg Household Size

2.3

Marital Status by Age

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

San Marcos, TX has a population of 68,920 with a median age of 25.5. The racial makeup is 63.3% White, 41.9% Hispanic, 5.6% Black, 2.1% Asian. About 19.3% of residents hold a bachelor's degree or higher. The foreign-born population is 8.3%.