Washington, Illinois Census 2020 Population By Race and Ethnicity

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, the 13.76K population of Washington, IL residents comprised of 224 residents who identified as Hispanic or Latino (1.63%), and 13.54K residents who identified as Non-Hispanic (98.37%).

Race: The White Alone population was the largest racial group in Washington, IL, with a population of 13.03K (94.67%). The Two Or More Races population was the second largest racial group in Washington, IL, with a population of 447 (3.25%). The Black or African American Alone population was the third largest racial group in Washington, IL, with a population of 97 (0.71%). The smallest racial group in Washington, IL was Native Hawaiian And Pacific Islander Alone with a population of 20 (0.14%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in Washington, IL, with a population of 12.98K (94.30%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in Washington, IL, with a population of 351 (2.55%). The Hispanic - Two or More Races population was the third largest ethnic group in Washington, IL, with a population of 96 (0.70%). The smallest ethnic group in Washington, IL was Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

The charts and tables below shows the 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 Hispanics and Non Hispanics Population in Census 2020
Total Population:
Washington, IL Racial Groups in Census 2020
Total Population:
Washington, IL Ethnicity Groups in Census 2020
Total Population:
Washington, IL Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 97 0.71
White Alone 13028 94.67
American Indian and Alaska Native Alone 30 0.22
Asian Alone 69 0.50
Native Hawaiian And Pacific Islander Alone 20 0.14
Some Other Race Alone 70 0.51
Two Or More Races 447 3.25
Washington, IL Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 12976 94.30
Non-Hispanic - Two or More Races 351 2.55
Hispanic - Two or More Races 96 0.70
Non-Hispanic - Black Alone 85 0.62
Non-Hispanic - Asian Alone 65 0.47
Hispanic - Some Other Race Alone 55 0.40
Hispanic - White Alone 52 0.38
Non-Hispanic - American Indian & Alaska Native 25 0.18
Non-Hispanic - Native Hawaiian & Pac. Islander 20 0.14
Non-Hispanic - Some Other Race Alone 15 0.11
Hispanic - Black Alone 12 0.09
Hispanic - American Indian & Alaska Native 5 0.04
Hispanic - Asian Alone 4 0.03
Hispanic - Native Hawaiian & Pac. Islander 0 0.00