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ZIP Code Information for San Marcos , Texas

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Demographics and Statistics for San Marcos ,78666 ,State Texas



ZIP code 78666 is located in Texas and covers a slightly less than average land area compared to other ZIP codes in the United States. It also has a slightly larger than average population density.


The people living in ZIP code 78666 are various races. The percentage of young adults, adults, middle aged, and seniors in this area are slightly larger than average, slightly larger than average, slightly less than average, and small, respectively. The percentage of children under 18 living in the 78666 ZIP code is slightly larger than average compared to other areas of the country.



The majority of household are owned or with a mortgage. Among all households, ZIP code 78666 has a small percentage of vacancies. The Census also indicates that there are one or more correctional facilities and nursing homes nearby.


City Name San Marcos
County Name Hays
State Name Texas
UnEmployment Rate 9 %
DensityPerSquareMile 361.5705
Population 63836

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  • Distance:miles.









Weather Details for San Marcos 78666
Wind Gentle Breeze 4.12 m/s
West (160 °)
Above Ground Level 984 ft
Temperature 20.89001 °C
Humidity 43 %
Cloudiness 85 %
Description overcast clouds
Latitude 29.882640
Longitude -97.945090



Sales Tax Rate for San Marcos 78666 0 %







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