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

Updated on July 31, 2024.

Based on the US Census Vintage data estimates, in 2020, the 583,081 population of Jefferson County, Colorado comprised of 91,719 people who identified as Hispanic (15.73%), and 491,362 people who identified as Non-Hispanic (84.27%).

Race: The White Alone population was the largest racial group in Jefferson County, Colorado with a population of 532,101 (91.26%); Asian Alone population was the second largest racial group with a population of 18,510 (3.18%); and Two Or More Races was the third largest racial group with a population of 15,540 (2.67%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Colorado in 2020, with a population of 451,386 (77.41%); the second largest ethnic group was White Alone - Hispanic with a population of 80,715 (13.84%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 17,613 (3.02%).

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

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

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Hispanics and Non Hispanics in Jefferson County, CO in 2020
Total Population:583,081
84.27%15.73%
Non Hispanic (84.27%)
Hispanic (15.73%)
Race in Jefferson County, CO in 2020
Total Population:583,081
91.26%
White Alone (91.26%)
Asian Alone (3.18%)
Two or more races (2.67%)
Black or African American Alone (1.53%)
American Indian and Alaska Native Alone (1.24%)
Native Hawaiian And Pacific Islander Alone (0.14%)
Ethnicity in Jefferson County, CO in 2020
Total Population:583,081
77.41%13.84%
Non-Hispanic White Alone (77.41%)
Hispanic White Alone (13.84%)
Non-Hispanic Asian Alone (3.02%)
All Other Ethnicities (2.49%)
Non-Hispanic Two or more races (1.99%)
Non-Hispanic Black or African American Alone (1.25%)
Population By Race in Jefferson , CO in 2020
Race
Population
Percentage
White Alone 532,101 91.26%
Asian Alone 18,510 3.18%
Two Or More Races 15,540 2.67%
Black or African American Alone 8,912 1.53%
American Indian and Alaska Native Alone 7,230 1.24%
Native Hawaiian And Pacific Islander Alone 788 0.14%
Population By Ethnicity in Jefferson , CO in 2020
Ethnicity
Population
Percentage
White Alone - Non Hispanic 451,386 77.41%
White Alone - Hispanic 80,715 13.84%
Asian Alone - Non Hispanic 17,613 3.02%
Two Or More Races - Non Hispanic 11,572 1.99%
Black or African American Alone - Non Hispanic 7,277 1.25%
American Indian and Alaska Native Alone - Hispanic 4,278 0.73%
Two Or More Races - Hispanic 3,968 0.68%
American Indian and Alaska Native Alone - Non Hispanic 2,952 0.51%
Black or African American Alone - Hispanic 1,635 0.28%
Asian Alone - Hispanic 897 0.15%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 562 0.1%
Native Hawaiian And Pacific Islander Alone - Hispanic 226 0.04%