Population By Race and Ethnicity in Alamosa County, CO in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 16,377 population of Alamosa County, Colorado comprised of 7,831 people who identified as Hispanic (47.82%), and 8,546 people who identified as Non-Hispanic (52.18%).

Race: The White Alone population was the largest racial group in Alamosa County, Colorado with a population of 14,250 (87.01%); American Indian and Alaska Native Alone population was the second largest racial group with a population of 918 (5.61%); and Two Or More Races was the third largest racial group with a population of 530 (3.24%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Alamosa County, Colorado in 2020, with a population of 7,651 (46.72%); the second largest ethnic group was White Alone - Hispanic with a population of 6,599 (40.29%); and the third largest ethnic group was American Indian and Alaska Native Alone - Hispanic with a population of 695 (4.24%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Alamosa, Colorado.

You can find similar information for other Colorado counties, and for Colorado.

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Hispanics and Non Hispanics in Alamosa County, CO in 2020
Total Population:
Race in Alamosa County, CO in 2020
Total Population:
Ethnicity in Alamosa County, CO in 2020
Total Population:
Population By Race in Alamosa , CO in 2020
Race Population Percentage
Black or African American Alone 356 2.17%
White Alone 14,250 87.01%
American Indian and Alaska Native Alone 918 5.61%
Asian Alone 268 1.64%
Native Hawaiian And Pacific Islander Alone 55 0.34%
Two Or More Races 530 3.24%
Population By Ethnicity in Alamosa , CO in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 145 0.89%
White Alone - Hispanic 6,599 40.29%
American Indian and Alaska Native Alone - Hispanic 695 4.24%
Asian Alone - Hispanic 109 0.67%
Native Hawaiian And Pacific Islander Alone - Hispanic 44 0.27%
Two Or More Races - Hispanic 239 1.46%
Black or African American Alone - Non Hispanic 211 1.29%
White Alone - Non Hispanic 7,651 46.72%
American Indian and Alaska Native Alone - Non Hispanic 223 1.36%
Asian Alone - Non Hispanic 159 0.97%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 11 0.07%
Two Or More Races - Non Hispanic 291 1.78%