San Marcos, Texas

San Marcos: The most populous city in Hays County, Texas. It is located in the Austin metropolitan area. San Marcos is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the San Marcos State University campus and the San Marcos Aquatic Center.


San Marcos is a city located in the county of Hays in the U.S. state of Texas. Its population at the 2010 census was 44,894 and a population density of 506 people per km². After 10 years in 2020 city had an estimated population of 66,350 inhabitants.

The city was created 216 years ago in 1807.

San Marcos locator map
Location of San Marcos on Texas map.

Quick Facts about San Marcos

Population : 66,350 (2020)
Country : United States of America
State : Texas (United States)
County : Hays County
Twitter username : CityofSanMarcos
Postal code : 78666–78667
Phone Area Codes : 512
Area : 88.73 km2
Altitude : 617 feet / 188 meters
Capital city : San Marcos is capital of Hays County
Establishment : January 01, 1808 (216 years ago)
Time Zone : Central Time Zone
Local time : 09:39:22 (19th April 2024)
Density : 748 Pop. per km² as of 2020
Population growth : 32.34% (2010-2020)
San Marcos nima4 image
San Marcos nima4
San Marcos nima4 image


San Marcos is located at 29°52'60"N 97°56'29"W (29.8832700, -97.9413900).

San Marcos map


The population of San Marcos increased by 32.34% in 10 years.

Year Population % Change Method
2010 44,894 - census
2011 47,687 5.86% estimation process
2012 50,010 4.65% estimation process
2013 54,403 8.07% estimation process
2014 58,983 7.76% estimation process
2015 60,446 2.42% estimation process
2016 61,726 2.07% estimation process
2017 63,526 2.83% estimation process
2018 63,688 0.25% estimation process
2019 64,776 1.68% estimation process
2020 66,350 2.37% estimation process

San Marcos zip code is 78666. County name: Guadalupe, County fips: 48187

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People born in San Marcos (23)

People born in San Marcos, including poet Tino Villanueva, actress Lynda Day George, politician Albert Sidney Burleson, .


  • Eddie Durham (American musician) he was born in 19/08/1906
  • Lucious Jackson (basketball player) he was born in 31/10/1941
  • Ty Detmer (American football player, quarterback, Heisman Trophy winner) he was born in 30/10/1967
  • Charles Barsotti (American cartoonist (1933-2014)) he was born in 28/09/1933
  • Jon Ecker (American actor) he was born in 16/03/1983
  • Chris Furrh (American child actor) he was born in 18/12/1974
  • Mike Brisiel (American football player) he was born in 14/03/1983
  • Linda Stouffer (American television news correspondent (born 1970)) she was born in 05/08/1970
  • Catalina Vasquez Villalpando (39th treasurer of the United States (1989-1993)) she was born in 01/04/1940
  • Cleto Rodriguez (United States Army Medal of Honor recipient) he was born in 26/04/1923
  • Donnie Joseph (baseball player) he was born in 01/11/1987
  • Jason Colwick (American pole vaulter) he was born in 25/01/1988
  • Mark Wheeler (American football player) he was born in 01/04/1970
  • Pete Compton (baseball player) he was born in 28/09/1889
  • John D. W. Corley (United States general) he was born in 11/08/1951
  • Pat Luckey (American basketball player) she was born in 14/05/1975
  • Taurean Prince (American college basketball player) he was born in 22/08/1994
  • Cheryl L. Shavers (American chemist) she was born in 26/12/1953

Schools in San Marcos

College & universities near San Marcos, TX

Code Name City ZIP
228459 Texas State University San Marcos (TX) 78666
483735 Total Transformation Institute of Cosmetology San Marcos (TX) 78666-8115
226860 William Edge Institute New Braunfels (TX) 78130-8216
368540 Seguin Beauty School-New Braunfels New Braunfels (TX) 78130
228088 Seguin Beauty School-Seguin Seguin (TX) 78155

Stations (4)

Amtrak & bus stations near San Marcos, TX

Code Name Address Type
SMC San Marcos Station 338 South Guadalupe St. RAIL
AUS Austin 250 North Lamar Blvd. RAIL
SAS San Antonio Station 350 Hoefgen Street RAIL
TAY Taylor 118 East First St. RAIL

Post offices near San Marcos

Post Office Name City ZIP
San Mar Post Office San Marcos (TX) 78666
Martindal Post Office Martindale (TX) 78655
Kyl Post Office Kyle (TX) 78640
Maxwell Post Office Maxwell (TX) 78656
Stapl Post Office Staples (TX) 78670

Other places with the same name (2)

  • San Marcos , California The second most populous city in San Diego County, California. It is located in the North County region of the county. San Marcos is known for its many parks with a population of 97,477 people.

Other cities in Hays County

Cities, towns, neighborhoods & other populated places in Hays County , TX.

City Name Population Title
Kyle 51,558 A city in Hays County, Texas.
Buda 17,544 City in Hays County, Texas, United States
Dripping Springs 6,587 City in Texas
Wimberley 3,422 City in Texas
Woodcreek 1,758 City in Hays County, Texas, United States
Mountain City 810 City in Hays County, Texas, United States
Hays 283 City in Texas, United States

Distance to Other Cities

San Marcos distances to largest Texas cities