Costilla County, Colorado
Costilla County | |
|---|---|
The Costilla County Courthouse in San Luis | |
Location within the U.S. state of Colorado | |
Colorado's location within the U.S. | |
| 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 |
• Estimate (2024) | 3,686 |
| • Density | 2.8/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. The county seat is San Luis, the oldest continuously occupied town in Colorado.