Alamosa demographics profile

Population density (sq mi)1,3005091
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%
Alamosa, CO has a population of 9,671 and is the 4,038th largest city in the United States. The population density is 1,300 per sq mi which is 2510% higher than the Colorado average and 1334% higher than the national average. The median age in Alamosa is 28 which is approximately 24% lower than the Colorado average of 36. In Alamosa, 43% of the population over 15 years of age are married, 74% speak English and 23% speak Spanish. 57% of Alamosa residents were born in Colorado, 33% were born out of state, 1% were born outside of the United States and 9% were foreign born.

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Did you know?

  • The population density in Alamosa is 2510% 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 or African American.
  • In Alamosa 1.23% of the population is Asian.

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Compare Alamosa, CO Demographics To Other Cities

Alamosa population breakdown by race

Black or African American3.14%4.09%12.63%
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.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

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).
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