Key facts
- Country
- United States
- State
- Colorado
- Founded
- February 10, 1874
- Named after
- Rio Grande
- Seat
- Del Norte
- Largest city
- Monte Vista
- Total
- 912 sq mi (2,360 km )
- Land
- 912 sq mi (2,360 km )
- Water
- 0.4 sq mi (1.0 km ) 0.04%
- Estimate 2025
- 11,087
- Density
- 12.7/sq mi (4.89/km )
- Time zone
- UTC−7 ( Mountain )
- Summer dst
- UTC−6 ( MDT )
Article
Rio Grande County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 11,539. The county seat is Del Norte. The county is named for the Rio Grande (Spanish language for "Big River"), which flows through the county.
Description