Alamosa Flag

Alamosa

County:
Alamosa County
County Seat:
Yes
Area (mi²):
7.965
State:
Colorado

Alamosa is a city located in Alamosa County, Colorado. Alamosa has a 2026 population of 9,906. It is also the county seat of Alamosa County. Alamosa is currently growing at a rate of 0.19% annually and its population has increased by 0.96% since the most recent census, which recorded a population of 9,812 in 2020.

9.9K
Total Population
1,244
Density (mi²)
19 0.19%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)