King County, Washington 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 1.81M voting-age population of King County, WA residents comprised of 169.83K residents who identified as Hispanic or Latino (9.37%), and 1.64M residents who identified as Non-Hispanic (90.64%).

Race: The White Alone voting-age population was the largest racial group in King County, WA, with a voting-age population of 1.07M (59.03%). The Asian Alone voting-age population was the second largest racial group in King County, WA, with a voting-age population of 364.74K (20.11%). The Two Or More Races voting-age population was the third largest racial group in King County, WA, with a voting-age population of 152.29K (8.40%). The smallest racial group in King County, WA was Native Hawaiian And Pacific Islander Alone with a voting-age population of 14.00K (0.77%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in King County, WA, with a voting-age population of 1.04M (57.38%). The Non-Hispanic - Asian Alone voting-age population was the second largest ethnic group in King County, WA, with a voting-age population of 362.84K (20.01%). The Non-Hispanic - Black Alone voting-age population was the third largest ethnic group in King County, WA, with a voting-age population of 110.05K (6.07%). The smallest ethnic group in King County, WA was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 374 (0.02%).

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

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

King County, WA Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
King County, WA Voting-age Racial Groups in Census 2020
Total Voting-age Population:
King County, WA Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
King County, WA 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 112251 6.19
White Alone 1070548 59.03
American Indian and Alaska Native Alone 14800 0.82
Asian Alone 364738 20.11
Native Hawaiian And Pacific Islander Alone 13995 0.77
Some Other Race Alone 84849 4.68
Two Or More Races 152289 8.40
King County, WA 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 1040544 57.38
Non-Hispanic - Asian Alone 362842 20.01
Non-Hispanic - Black Alone 110047 6.07
Non-Hispanic - Two or More Races 97000 5.35
Hispanic - Some Other Race Alone 74700 4.12
Hispanic - Two or More Races 55289 3.05
Hispanic - White Alone 30004 1.66
Non-Hispanic - Native Hawaiian & Pac. Islander 13621 0.75
Non-Hispanic - Some Other Race Alone 10149 0.56
Non-Hispanic - American Indian & Alaska Native 9433 0.52
Hispanic - American Indian & Alaska Native 5367 0.30
Hispanic - Black Alone 2204 0.12
Hispanic - Asian Alone 1896 0.11
Hispanic - Native Hawaiian & Pac. Islander 374 0.02