Population By Race and Ethnicity in Arapahoe County, CO in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 631,688 population of Arapahoe County, Colorado comprised of 118,449 people who identified as Hispanic (18.75%), and 513,239 people who identified as Non-Hispanic (81.25%).

Race: The White Alone population was the largest racial group in Arapahoe County, Colorado with a population of 490,252 (77.61%); Black or African American Alone population was the second largest racial group with a population of 70,157 (11.11%); and Asian Alone was the third largest racial group with a population of 38,114 (6.03%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Arapahoe County, Colorado in 2015, with a population of 388,109 (61.44%); the second largest ethnic group was White Alone - Hispanic with a population of 102,143 (16.17%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 64,898 (10.27%).

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 2015
Total Population:
Race in Arapahoe County, CO in 2015
Total Population:
Ethnicity in Arapahoe County, CO in 2015
Total Population:
Population By Race in Arapahoe , CO in 2015
Race Population Percentage
Black or African American Alone 70,157 11.11%
White Alone 490,252 77.61%
American Indian and Alaska Native Alone 6,937 1.1%
Asian Alone 38,114 6.03%
Native Hawaiian And Pacific Islander Alone 1,804 0.29%
Two Or More Races 24,424 3.87%
Population By Ethnicity in Arapahoe , CO in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 5,259 0.83%
White Alone - Hispanic 102,143 16.17%
American Indian and Alaska Native Alone - Hispanic 4,272 0.68%
Asian Alone - Hispanic 1,264 0.2%
Native Hawaiian And Pacific Islander Alone - Hispanic 342 0.05%
Two Or More Races - Hispanic 5,169 0.82%
Black or African American Alone - Non Hispanic 64,898 10.27%
White Alone - Non Hispanic 388,109 61.44%
American Indian and Alaska Native Alone - Non Hispanic 2,665 0.42%
Asian Alone - Non Hispanic 36,850 5.83%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 1,462 0.23%
Two Or More Races - Non Hispanic 19,255 3.05%