Population By Race and Ethnicity in Washington County, IA in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 21,825 population of Washington County, Iowa comprised of 1,151 people who identified as Hispanic (5.27%), and 20,674 people who identified as Non-Hispanic (94.73%).

Race: The White Alone population was the largest racial group in Washington County, Iowa with a population of 21,250 (97.37%); Two Or More Races population was the second largest racial group with a population of 224 (1.03%); and Black or African American Alone was the third largest racial group with a population of 180 (0.83%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Washington County, Iowa in 2011, with a population of 20,182 (92.47%); the second largest ethnic group was White Alone - Hispanic with a population of 1,068 (4.89%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 184 (0.84%).

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 2011
Total Population:
Race in Washington County, IA in 2011
Total Population:
Ethnicity in Washington County, IA in 2011
Total Population:
Population By Race in Washington , IA in 2011
Race Population Percentage
Black or African American Alone 180 0.83%
White Alone 21,250 97.37%
American Indian and Alaska Native Alone 66 0.3%
Asian Alone 89 0.41%
Native Hawaiian And Pacific Islander Alone 16 0.07%
Two Or More Races 224 1.03%
Population By Ethnicity in Washington , IA in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 16 0.07%
White Alone - Hispanic 1,068 4.89%
American Indian and Alaska Native Alone - Hispanic 23 0.11%
Asian Alone - Hispanic 1 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 3 0.01%
Two Or More Races - Hispanic 40 0.18%
Black or African American Alone - Non Hispanic 164 0.75%
White Alone - Non Hispanic 20,182 92.47%
American Indian and Alaska Native Alone - Non Hispanic 43 0.2%
Asian Alone - Non Hispanic 88 0.4%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 13 0.06%
Two Or More Races - Non Hispanic 184 0.84%