Washington County, Oregon 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 464.96K voting-age population of Washington County, OR residents comprised of 71.50K residents who identified as Hispanic or Latino (15.38%), and 393.47K residents who identified as Non-Hispanic (84.62%).

Race: The White Alone voting-age population was the largest racial group in Washington County, OR, with a voting-age population of 313.21K (67.36%). The Asian Alone voting-age population was the second largest racial group in Washington County, OR, with a voting-age population of 53.97K (11.61%). The Two Or More Races voting-age population was the third largest racial group in Washington County, OR, with a voting-age population of 44.61K (9.59%). The smallest racial group in Washington County, OR was Native Hawaiian And Pacific Islander Alone with a voting-age population of 2.50K (0.54%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Washington County, OR, with a voting-age population of 300.58K (64.65%). The Non-Hispanic - Asian Alone voting-age population was the second largest ethnic group in Washington County, OR, with a voting-age population of 53.55K (11.52%). The Hispanic - Some Other Race Alone voting-age population was the third largest ethnic group in Washington County, OR, with a voting-age population of 33.89K (7.29%). The smallest ethnic group in Washington County, OR was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 137 (0.03%).

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

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

Washington County, OR Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Washington County, OR Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Washington County, OR Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Washington County, OR 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 9850 2.12
White Alone 313212 67.36
American Indian and Alaska Native Alone 4694 1.01
Asian Alone 53972 11.61
Native Hawaiian And Pacific Islander Alone 2500 0.54
Some Other Race Alone 36131 7.77
Two Or More Races 44605 9.59
Washington County, OR 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 300584 64.65
Non-Hispanic - Asian Alone 53548 11.52
Hispanic - Some Other Race Alone 33887 7.29
Non-Hispanic - Two or More Races 23334 5.02
Hispanic - Two or More Races 21271 4.58
Hispanic - White Alone 12628 2.72
Non-Hispanic - Black Alone 9465 2.04
Hispanic - American Indian & Alaska Native 2764 0.59
Non-Hispanic - Native Hawaiian & Pac. Islander 2363 0.51
Non-Hispanic - Some Other Race Alone 2244 0.48
Non-Hispanic - American Indian & Alaska Native 1930 0.42
Hispanic - Asian Alone 424 0.09
Hispanic - Black Alone 385 0.08
Hispanic - Native Hawaiian & Pac. Islander 137 0.03