Population By Race and Ethnicity in Washington County, IA in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 22,160 population of Washington County, Iowa comprised of 1,272 people who identified as Hispanic (5.74%), and 20,888 people who identified as Non-Hispanic (94.26%).

Race: The White Alone population was the largest racial group in Washington County, Iowa with a population of 21,484 (96.95%); Two Or More Races population was the second largest racial group with a population of 270 (1.22%); and Black or African American Alone was the third largest racial group with a population of 206 (0.93%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Washington County, Iowa in 2015, with a population of 20,315 (91.67%); the second largest ethnic group was White Alone - Hispanic with a population of 1,169 (5.28%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 223 (1.01%).

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 2015
Total Population:
Race in Washington County, IA in 2015
Total Population:
Ethnicity in Washington County, IA in 2015
Total Population:
Population By Race in Washington , IA in 2015
Race Population Percentage
Black or African American Alone 206 0.93%
White Alone 21,484 96.95%
American Indian and Alaska Native Alone 68 0.31%
Asian Alone 115 0.52%
Native Hawaiian And Pacific Islander Alone 17 0.08%
Two Or More Races 270 1.22%
Population By Ethnicity in Washington , IA in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 28 0.13%
White Alone - Hispanic 1,169 5.28%
American Indian and Alaska Native Alone - Hispanic 24 0.11%
Asian Alone - Hispanic 1 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 3 0.01%
Two Or More Races - Hispanic 47 0.21%
Black or African American Alone - Non Hispanic 178 0.8%
White Alone - Non Hispanic 20,315 91.67%
American Indian and Alaska Native Alone - Non Hispanic 44 0.2%
Asian Alone - Non Hispanic 114 0.51%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 14 0.06%
Two Or More Races - Non Hispanic 223 1.01%