Alamosa County, Colorado

Alamosa County
County
Alamosa County Courthouse
Location within the U.S. state of Colorado
Colorado's location within the U.S.
Coordinates: 37°34′N 105°47′W / 37.57°N 105.78°W / 37.57; -105.78
Country	United States
State	Colorado
Founded	March 8, 1913
Named for	Spanish language word for a grove of cottonwood trees
Seat	Alamosa
Largest city	Alamosa
Area
• Total	723 sq mi (1,870 km2)
• Land	723 sq mi (1,870 km2)
• Water	0.7 sq mi (2 km2)  0.1%
Population  (2020)
• Total	16,376[1]
• Density	23/sq mi (9/km2)
Time zone	UTC−7 (Mountain)
• Summer (DST)	UTC−6 (MDT)
Congressional district	3rd
Website	alamosacounty.colorado.gov

Alamosa County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 16,376.^[1] The county seat is Alamosa.^[2] The county name is the Spanish language word for a grove of cottonwood trees.