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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 655,207 population of Arapahoe County, Colorado comprised of 131,797 people who identified as Hispanic (20.11%), and 523,410 people who identified as Non-Hispanic (79.89%).

Race: The White Alone population was the largest racial group in Arapahoe County, Colorado with a population of 498,205 (76.04%); Black or African American Alone population was the second largest racial group with a population of 76,045 (11.61%); and Asian Alone was the third largest racial group with a population of 43,589 (6.65%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Arapahoe County, Colorado in 2020, with a population of 385,057 (58.77%); the second largest ethnic group was White Alone - Hispanic with a population of 113,148 (17.27%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 70,114 (10.7%).

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

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

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Hispanics and Non Hispanics in Arapahoe County, CO in 2020
Total Population:
Race in Arapahoe County, CO in 2020
Total Population:
Ethnicity in Arapahoe County, CO in 2020
Total Population:
Population By Race in Arapahoe , CO in 2020
Race Population Percentage
Black or African American Alone 76,045 11.61%
White Alone 498,205 76.04%
American Indian and Alaska Native Alone 7,718 1.18%
Asian Alone 43,589 6.65%
Native Hawaiian And Pacific Islander Alone 2,169 0.33%
Two Or More Races 27,481 4.19%
Population By Ethnicity in Arapahoe , CO in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 5,931 0.91%
White Alone - Hispanic 113,148 17.27%
American Indian and Alaska Native Alone - Hispanic 4,964 0.76%
Asian Alone - Hispanic 1,535 0.23%
Native Hawaiian And Pacific Islander Alone - Hispanic 441 0.07%
Two Or More Races - Hispanic 5,778 0.88%
Black or African American Alone - Non Hispanic 70,114 10.7%
White Alone - Non Hispanic 385,057 58.77%
American Indian and Alaska Native Alone - Non Hispanic 2,754 0.42%
Asian Alone - Non Hispanic 42,054 6.42%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 1,728 0.26%
Two Or More Races - Non Hispanic 21,703 3.31%