San Marcos, TX Census Data
The 59th largest city in Texas by population · 74 cities ranked
San Marcos is the 59th largest city in Texas by population and ranks 71st of 74 for median household income. With 68,920 residents, its poverty rate of 26.7% ranks among the higher rates in Texas. This snapshot draws from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-04-13 · Source: U.S. Census Bureau, ACS 2023
Population
68,920
46.9% male · 53.1% female
Median Age
25.5
13.2 below the national average (38.7 yrs)
Median Household Income
$51,030
$27,508 below the national average ($78,538)
Bachelor's Degree or Higher
37.3%
2.3% above the national average (35.0%)
HS diploma or higher: 90.9%
Poverty Rate
26.7%
14.3% above the national average (12.4%)
Uninsured: 16.1%
Broadband Access
95.9%
6.2% above the national average (89.7%)
Median Home Value
$269,700
Median rent: $1,299 · 30% owner-occupied
Unemployment Rate
6.1%
Labor force participation: 62.7%
Per Capita Income
$22,881
Individual average income (not household)
Veteran Population
4.3%
Disability rate: 14.5%
How San Marcos Compares to Other Texas Cities
Rankings among all 74 Texas cities tracked in the 2023 ACS.
| Ranking | Position | Tier |
|---|---|---|
| Largest by Population | 59th of 74 | Bottom 25% |
| Highest Median Income | 71st of 74 | Bottom 25% |
| Lowest Poverty Rate | 71st of 74 | Bottom 25% |
| Highest Bachelor's Attainment | 32nd of 74 | Top half |
| Highest Home Value | 42nd of 74 | Bottom half |
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
San Marcos, TX Frequently Asked Questions
What is the population of San Marcos, TX?
The population of San Marcos, TX is 68,920 according to the 2023 American Community Survey 5-year estimates. The median age is 25.5 years.
What is the median household income in San Marcos?
The median household income in San Marcos, TX is $51,030, below the national average of $78,538. Per capita income is $22,881.
What is the poverty rate in San Marcos?
The poverty rate in San Marcos, TX is 26.7%, compared to the national average of 12.4%. About 16.1% of residents lack health insurance.
What percentage of San Marcos residents have a college degree?
37.3% of adults (25+) in San Marcos hold a bachelor's degree or higher, and 90.9% have at least a high school diploma. The national average for bachelor's degree holders is 35.0%.
What is the median home value in San Marcos?
The median home value in San Marcos, TX is $269,700. Median rent is $1,299 per month, with 30% of housing units owner-occupied.
What is the racial makeup of San Marcos?
San Marcos's population is 63.3% White, 5.6% Black, 41.9% Hispanic or Latino, and 2.1% Asian (source: 2023 ACS).
How does San Marcos rank among Texas cities?
San Marcos is the 59th largest city in Texas by population, the 71st highest for median household income, the 71st lowest for poverty rate, the 32nd highest for bachelor's degree attainment among 74 ranked Texas cities.
What is the unemployment rate in San Marcos?
The unemployment rate in San Marcos, TX is 6.1%, with a labor force participation rate of 62.7%. Per capita income is $22,881.
Cities Similar to San Marcos
Other Texas cities with comparable population and income levels.