ZIP Code 78666

San Marcos, TX · Hays County

29.8754, -97.9404 · View boundary on OpenStreetMap ↗

About San Marcos

San Marcos is a city in and the county seat of Hays County, Texas, United States. The city is mostly a part of the Greater Austin metropolitan area. San Marcos's limits extend into Caldwell and Guadalupe Counties, as well. The latter is part of the Greater San Antonio Metropolitan Area. San Marcos is on the Interstate 35 corridor between Austin and San Antonio. Its population was 44,894 at the 2010 census and 67,553 at the 2020 census. Founded on the banks of the San Marcos River, the area is thought to be among the oldest continuously inhabited sites in the Americas. San Marcos is home to Texas State University and the Meadows Center for Water and the Environment.

From Wikipedia — text licensed CC BY-SA 4.0.

Area Profile

US Census (ACS 5-year · Gazetteer)

87,775
population
$55,478
median household income
456
people / sq mi
$271,900
median home value
$1,294
median gross rent
27.0
median age
36,354
housing units
33,836
households
192.4
land area (sq mi)

Key places in 78666

Points of interest

  • grocery
  • coffee
  • gas
  • pharmacy
  • fast_food
  • bank
  • gym

Brands

  • Chick-fil-A (3)
  • McDonald's (3)
  • Sonic (3)
  • Starbucks (3)
  • Subway (3)
  • Chipotle (2)
  • Dairy Queen (2)
  • H-E-B (2)
  • Schlotzsky's (2)
  • Taco Bell (2)
  • Wendy's (2)
  • Whataburger (2)