Population By Race and Ethnicity in Washington County, IA in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 22,542 population of Washington County, Iowa comprised of 1,615 people who identified as Hispanic (7.16%), and 20,927 people who identified as Non-Hispanic (92.84%).

Race: The White Alone population was the largest racial group in Washington County, Iowa with a population of 21,677 (96.16%); Two Or More Races population was the second largest racial group with a population of 357 (1.58%); and Black or African American Alone was the third largest racial group with a population of 270 (1.2%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Washington County, Iowa in 2020, with a population of 20,254 (89.85%); the second largest ethnic group was White Alone - Hispanic with a population of 1,423 (6.31%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 263 (1.17%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Washington, Iowa.

You can find similar information for other Iowa counties, and for Iowa.

See this for other years:
Hispanics and Non Hispanics in Washington County, IA in 2020
Total Population:
Race in Washington County, IA in 2020
Total Population:
Ethnicity in Washington County, IA in 2020
Total Population:
Population By Race in Washington , IA in 2020
Race Population Percentage
Black or African American Alone 270 1.2%
White Alone 21,677 96.16%
American Indian and Alaska Native Alone 76 0.34%
Asian Alone 142 0.63%
Native Hawaiian And Pacific Islander Alone 20 0.09%
Two Or More Races 357 1.58%
Population By Ethnicity in Washington , IA in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 52 0.23%
White Alone - Hispanic 1,423 6.31%
American Indian and Alaska Native Alone - Hispanic 36 0.16%
Asian Alone - Hispanic 2 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 8 0.04%
Two Or More Races - Hispanic 94 0.42%
Black or African American Alone - Non Hispanic 218 0.97%
White Alone - Non Hispanic 20,254 89.85%
American Indian and Alaska Native Alone - Non Hispanic 40 0.18%
Asian Alone - Non Hispanic 140 0.62%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 12 0.05%
Two Or More Races - Non Hispanic 263 1.17%