Alamosa County
Also known as Alamosa County, Colorado, Alamosa County, CO
county in Colorado, United States
Key facts
- Country
- United States
- State
- Colorado
- Founded
- March 8, 1913
- Named after
- Spanish language word for a grove of cottonwood trees
- Seat
- Alamosa
- Largest city
- Alamosa
- Total
- 723 sq mi (1,870 km )
- Land
- 723 sq mi (1,870 km )
- Water
- 0.7 sq mi (1.8 km ) 0.1%
- Estimate 2025
- 16,688
- Density
- 22.7/sq mi (8.75/km )
- Time zone
- UTC−7 ( Mountain )
- Summer dst
~6 min read
Article
Alamosa County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 16,376. The county seat is Alamosa. The county name is the Spanish language word for a grove of cottonwood trees.
History