Population By Race and Ethnicity in Arapahoe County, CO in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 575,124 population of Arapahoe County, Colorado comprised of 105,962 people who identified as Hispanic (18.42%), and 469,162 people who identified as Non-Hispanic (81.58%).

Race: The White Alone population was the largest racial group in Arapahoe County, Colorado with a population of 455,932 (79.28%); Black or African American Alone population was the second largest racial group with a population of 61,156 (10.63%); and Asian Alone was the third largest racial group with a population of 30,345 (5.28%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Arapahoe County, Colorado in 2010, with a population of 364,377 (63.36%); the second largest ethnic group was White Alone - Hispanic with a population of 91,555 (15.92%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 56,453 (9.82%).

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 2010
Total Population:
Race in Arapahoe County, CO in 2010
Total Population:
Ethnicity in Arapahoe County, CO in 2010
Total Population:
Population By Race in Arapahoe , CO in 2010
Race Population Percentage
Black or African American Alone 61,156 10.63%
White Alone 455,932 79.28%
American Indian and Alaska Native Alone 6,400 1.11%
Asian Alone 30,345 5.28%
Native Hawaiian And Pacific Islander Alone 1,398 0.24%
Two Or More Races 19,893 3.46%
Population By Ethnicity in Arapahoe , CO in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 4,703 0.82%
White Alone - Hispanic 91,555 15.92%
American Indian and Alaska Native Alone - Hispanic 3,980 0.69%
Asian Alone - Hispanic 1,076 0.19%
Native Hawaiian And Pacific Islander Alone - Hispanic 326 0.06%
Two Or More Races - Hispanic 4,322 0.75%
Black or African American Alone - Non Hispanic 56,453 9.82%
White Alone - Non Hispanic 364,377 63.36%
American Indian and Alaska Native Alone - Non Hispanic 2,420 0.42%
Asian Alone - Non Hispanic 29,269 5.09%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 1,072 0.19%
Two Or More Races - Non Hispanic 15,571 2.71%