Population density (sq mi)1,3005691
Median age27.536.437.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)43%56%55%
Families w/ Kids under 1855%45%43%
Speak English74%83%79%
Speak Spanish23%12%13%

Key findings

  • The population density in Alamosa is 2221% higher than Colorado
  • The median age in Alamosa is 24% lower than Colorado
  • In Alamosa 84.70% of the population is White
  • In Alamosa 3.14% of the population is Black
  • In Alamosa 1.23% of the population is Asian

Compare Alamosa, CO Demographics


      Alamosa population breakdown by race

      American Indian4.05%0.94%0.82%
      Native Hawaiian0.40%0.14%0.18%
      Mixed race2.44%3.43%3.06%
      Other race4.03%4.18%4.75%
      In Alamosa, 48.5% of people are of Hispanic or Latino origin.
      Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

      Household income distribution

      Place of birth by citizenship

      Alamosa age breakdown

      Marital status

      Age of children in married couples

      Source: The Alamosa, CO demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).