Population By Race and Ethnicity in Costilla, CO in 2021

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2021, the 3,613 population of Costilla County, Colorado comprised of 1,986 people who identified as Hispanic (54.97%), and 1,627 people who identified as Non-Hispanic (45.03%).

Race: The White Alone population was the largest racial group in Costilla County, Colorado with a population of 3,088 (85.47%); American Indian and Alaska Native Alone population was the second largest racial group with a population of 209 (5.79%); and Two Or More Races was the third largest racial group with a population of 129 (3.57%).

Ethnicity: The White Alone - Hispanic population was the largest ethnic group in Costilla County, Colorado in 2021, with a population of 1,708 (47.27%); the second largest ethnic group was White Alone - Non Hispanic with a population of 1,380 (38.2%); and the third largest ethnic group was American Indian and Alaska Native Alone - Hispanic with a population of 144 (3.99%).

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

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

See this for other years:
Hispanics and Non Hispanics in Costilla, CO in 2021
Total Population:
Race in Costilla, CO in 2021
Total Population:
Ethnicity in Costilla, CO in 2021
Total Population:
Population By Race in Costilla , CO in 2021
Race Population Percentage
Black or African American Alone 117 3.24%
White Alone 3,088 85.47%
American Indian and Alaska Native Alone 209 5.79%
Asian Alone 59 1.63%
Native Hawaiian And Pacific Islander Alone 11 0.3%
Two Or More Races 129 3.57%
Population By Ethnicity in Costilla , CO in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 59 1.63%
White Alone - Hispanic 1,708 47.27%
American Indian and Alaska Native Alone - Hispanic 144 3.99%
Asian Alone - Hispanic 8 0.22%
Native Hawaiian And Pacific Islander Alone - Hispanic 8 0.22%
Two Or More Races - Hispanic 59 1.63%
Black or African American Alone - Non Hispanic 58 1.61%
White Alone - Non Hispanic 1,380 38.2%
American Indian and Alaska Native Alone - Non Hispanic 65 1.8%
Asian Alone - Non Hispanic 51 1.41%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 3 0.08%
Two Or More Races - Non Hispanic 70 1.94%