Costilla County | |
---|---|
Coordinates: 37°17′N 105°26′W / 37.28°N 105.43°W | |
Country | United States |
State | Colorado |
Founded | November 1, 1861 |
Seat | San Luis |
Largest town | San Luis |
Area | |
• Total | 1,230 sq mi (3,200 km2) |
• Land | 1,227 sq mi (3,180 km2) |
• Water | 3.4 sq mi (9 km2) 0.3% |
Population (2020) | |
• Total | 3,499[1] |
• Density | 2.9/sq mi (1.1/km2) |
Time zone | UTC−7 (Mountain) |
• Summer (DST) | UTC−6 (MDT) |
Congressional district | 3rd |
Website | costillacounty |
Colorado's first permanent settlement |
Costilla County (Spanish for "rib") is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 3,499.[1] The county seat is San Luis,[2] the oldest continuously occupied town in Colorado.