San Luis, Colorado

San Luis, Colorado
San Luis de la Culebra
Entering San Luis from the west
Motto: 
The Oldest Town in Colorado
Location of San Luis in Costilla County, Colorado.
San Luis
San Luis
Coordinates: 37°12′09″N 105°25′21″W / 37.20250°N 105.42250°W / 37.20250; -105.42250
Country United States
State State of Colorado
CountyCostilla Countyseat
EstablishedApril 9, 1851
Incorporated1885
Government
 • TypeStatutory Town
Area
 • Total
0.57 sq mi (1.47 km2)
 • Land0.57 sq mi (1.47 km2)
 • Water0 sq mi (0.00 km2)
Elevation
7,989 ft (2,435 m)
Population
 (2020)
 • Total
598
 • Density1,050/sq mi (407/km2)
Time zoneUTC-7 (MST)
 • Summer (DST)UTC-6 (MDT)
ZIP code
81152
Area code719
FIPS code08-68105
GNIS feature ID2413253
Major highways
Websitetownofsanluisco.org

San Luis is a statutory town that is the county seat of and the most populous town in Costilla County, Colorado, United States. Formerly known as San Luis de la Culebra, it is the oldest continuously occupied town in Colorado. The population was 598 at the 2020 census.