Jefferson County, Colorado Voting-age Population By Race and Ethnicity from Census 2020

Updated on August 29, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 469.07K voting-age population of Jefferson County, CO residents comprised of 64.63K residents who identified as Hispanic or Latino (13.78%), and 404.44K residents who identified as Non-Hispanic (86.22%).

Race: The White Alone voting-age population was the largest racial group in Jefferson County, CO, with a voting-age population of 380.08K (81.03%). The Two Or More Races voting-age population was the second largest racial group in Jefferson County, CO, with a voting-age population of 42.93K (9.15%). The Some Other Race Alone voting-age population was the third largest racial group in Jefferson County, CO, with a voting-age population of 20.29K (4.33%). The smallest racial group in Jefferson County, CO was Native Hawaiian And Pacific Islander Alone with a voting-age population of 411 (0.09%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Jefferson County, CO, with a voting-age population of 362.65K (77.31%). The Hispanic - Two or More Races voting-age population was the second largest ethnic group in Jefferson County, CO, with a voting-age population of 25.84K (5.51%). The Hispanic - Some Other Race Alone voting-age population was the third largest ethnic group in Jefferson County, CO, with a voting-age population of 18.15K (3.87%). The smallest ethnic group in Jefferson County, CO was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 45 (0.01%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in Jefferson County, Colorado from the 2020 decennial census.

You can see similar information for other Colorado counties and also for the state of Colorado.

Jefferson County, CO Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Jefferson County, CO Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Jefferson County, CO Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Jefferson County, CO Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 5667 1.21
White Alone 380075 81.03
American Indian and Alaska Native Alone 4785 1.02
Asian Alone 14912 3.18
Native Hawaiian And Pacific Islander Alone 411 0.09
Some Other Race Alone 20287 4.33
Two Or More Races 42929 9.15
Jefferson County, CO Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 362646 77.31
Hispanic - Two or More Races 25844 5.51
Hispanic - Some Other Race Alone 18145 3.87
Hispanic - White Alone 17429 3.72
Non-Hispanic - Two or More Races 17085 3.64
Non-Hispanic - Asian Alone 14583 3.11
Non-Hispanic - Black Alone 5268 1.12
Hispanic - American Indian & Alaska Native 2437 0.52
Non-Hispanic - American Indian & Alaska Native 2348 0.50
Non-Hispanic - Some Other Race Alone 2142 0.46
Hispanic - Black Alone 399 0.09
Non-Hispanic - Native Hawaiian & Pac. Islander 366 0.08
Hispanic - Asian Alone 329 0.07
Hispanic - Native Hawaiian & Pac. Islander 45 0.01