Alamosa County, Colorado Cities (2025)

3 cities

City
Rank
2025 Pop.
2020 Pop.
Change
Density
Area (mi²)
Type
Alamosa19,9289,8150.23%1,2467.96 City
Alamosa East21,284987-0.93%3953.25 CDP
Hooper379790%3130.25 Town

Alamosa County Cities Summary

Largest City

Alamosa is the largest city in Alamosa County, with a population of 9,928.

Smallest City

Hooper is the smallest city in Alamosa County.

10 Largest Cities

There are 3 cities in Alamosa County, Colorado.

Location of Alamosa County