Washington, Illinois Voting-age Population By Race and Ethnicity from Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 10.83K voting-age population of Washington, IL residents comprised of 147 residents who identified as Hispanic or Latino (1.36%), and 10.68K residents who identified as Non-Hispanic (98.64%).

Race: The White Alone voting-age population was the largest racial group in Washington, IL, with a voting-age population of 10.35K (95.56%). The Two Or More Races voting-age population was the second largest racial group in Washington, IL, with a voting-age population of 288 (2.66%). The Black or African American Alone voting-age population was the third largest racial group in Washington, IL, with a voting-age population of 68 (0.63%). The smallest racial group in Washington, IL was Native Hawaiian And Pacific Islander Alone with a voting-age population of 7 (0.07%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Washington, IL, with a voting-age population of 10.31K (95.16%). The Non-Hispanic - Two or More Races voting-age population was the second largest ethnic group in Washington, IL, with a voting-age population of 241 (2.23%). The Non-Hispanic - Black Alone voting-age population was the third largest ethnic group in Washington, IL, with a voting-age population of 56 (0.52%). The smallest ethnic group in Washington, IL was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 0 (0.00%).

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

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

Washington, IL Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Washington, IL Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Washington, IL Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Washington, IL 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 68 0.63
White Alone 10350 95.56
American Indian and Alaska Native Alone 11 0.10
Asian Alone 52 0.48
Native Hawaiian And Pacific Islander Alone 7 0.07
Some Other Race Alone 55 0.51
Two Or More Races 288 2.66
Washington, IL 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 10307 95.16
Non-Hispanic - Two or More Races 241 2.23
Non-Hispanic - Black Alone 56 0.52
Non-Hispanic - Asian Alone 48 0.44
Hispanic - Two or More Races 47 0.43
Hispanic - White Alone 43 0.40
Hispanic - Some Other Race Alone 40 0.37
Non-Hispanic - Some Other Race Alone 15 0.14
Hispanic - Black Alone 12 0.11
Non-Hispanic - American Indian & Alaska Native 10 0.09
Non-Hispanic - Native Hawaiian & Pac. Islander 7 0.07
Hispanic - Asian Alone 4 0.04
Hispanic - American Indian & Alaska Native 1 0.01
Hispanic - Native Hawaiian & Pac. Islander 0 0.00