78666   Zip Code San Marcos Hays TX United States

City San Marcos
County Hays
State Texas
Latitude 29.8826
Longitude -97.97974
Population 87,775
Density 456.48 people per square mile
Time Zone America/Chicago
  • All demographic data comes from the 2023 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

< 5K> $150K05101520

Median household: $55,478
Median individual: $26,193

Race

WhiteBlackMultipleOther

Mode: 63.7% White

Gender

 51.8% female 

Rent

  $1294 / month  

Median house value: $266,570.0

Age

0%2%4%6%8%10%12%14%16%18%20%22%24%26%28%30%32%10-1930s50s70s

Median: 27.0 years old

Education

< High SchoolHigh SchoolSome CollegeBachelorsGrad School

With at least college degree: 34.6%
With STEM degree: 41.8%

Marital Status

 32.4% married 

Never married: 54.2%

Labor Force Participation

 65.7% working 

Unemployed: 5.6%

Average Family Size

 2.92 people 

Commute Time

 25.1 minutes 

Health Care

 16.1% uninsured 

Poverty

 23.3%

All data comes from the SimpleMaps US Zips Comprehensive Database, January 2025.

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