San Marcos city, Texas
Population estimates, July 1, 2024, (V2024) 74,316
People
Population
Population estimates, July 1, 2025, (V2025) 77,830
Population estimates, July 1, 2024, (V2024) 74,316
Population estimates base, April 1, 2020, (V2025) 67,741
Population estimates base, April 1, 2020, (V2024) 67,782
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 14.9%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 9.6%
Population, Census, April 1, 2020 67,553
Population, Census, April 1, 2010 44,894
Age and Sex
Persons under 5 years, percent 4.4%
Persons under 18 years, percent 13.3%
Persons 65 years and over, percent 10.8%
Female persons, percent 53.7%
Race and Hispanic Origin
White alone, percent 58.8%
Black alone, percent(a) 5.7%
American Indian and Alaska Native alone, percent(a) 0.6%
Asian alone, percent(a) 2.2%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.0%
Two or More Races, percent 23.6%
Hispanic or Latino, percent(b) 42.2%
White alone, not Hispanic or Latino, percent 44.6%
Population Characteristics
Veterans, 2020-2024 2,911
Foreign-born persons, percent, 2020-2024 9.1%
Housing
Housing Units, July 1, 2025, (V2025) X
Owner-occupied housing unit rate, 2020-2024 30.8%
Median value of owner-occupied housing units, 2020-2024 $310,400
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,899
Median selected monthly owner costs - without a mortage, 2020-2024 $706
Median gross rent, 2020-2024 $1,322
Building Permits, 2025 X
Families & Living Arrangements
Households, 2020-2024 28,013
Persons per household, 2020-2024 2.28
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 67.8%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 27.2%
Computer and Internet Use
Households with a computer, percent, 2020-2024 96.1%
Households with a broadband Internet subscription, percent, 2020-2024 85.3%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 90.5%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 38.3%
Health
With a disability, under age 65 years, percent, 2020-2024 12.2%
Persons without health insurance, under age 65 years, percent 18.2%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 66.9%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 64.4%
Total accommodation and food services sales, 2022 ($1,000)(c) 381,921
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 488,966
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 275,268
Total retail sales, 2022 ($1,000)(c) 3,769,202
Total retail sales per capita, 2022(c) $53,551
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 24.0
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $51,281
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $27,545
Persons in poverty, percent 26.9%
Businesses
Businesses
Total employer establishments, 2023 X
Total employment, 2023 X
Total annual payroll, 2023 ($1,000) X
Total employment, percent change, 2022-2023 X
Total nonemployer establishments, 2023 X
All employer firms, Reference year 2023 X
Male-owned employer firms, Reference year 2023 X
Female-owned employer firms, Reference year 2023 X
Minority-owned employer firms, Reference year 2023 X
Nonminority-owned employer firms, Reference year 2023 X
Veteran-owned employer firms, Reference year 2023 X
Nonveteran-owned employer firms, Reference year 2023 X
Geography
Geography
Population per square mile, 2020 1,898.0
Population per square mile, 2010 1,485.6
Land area in square miles, 2020 35.59
Land area in square miles, 2010 30.22
FIPS Code 4865600