About San Luis, Colorado

The Town of San Luis is a statutory town that is the county seat and the most populous town of Costilla County, Colorado, United States. The population was 739 at the 2000 census.

News from San Luis

San Luis Facts

  • Population Total: 739
  • Square Miles: 0.5
  • Area Code: 719
  • Elevation: 7979
  • Postal Codes: 81152
  • Timezone: Mountain