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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 133,920 population of Washington County, Wisconsin comprised of 4,120 people who identified as Hispanic (3.08%), and 129,800 people who identified as Non-Hispanic (96.92%).

Race: The White Alone population was the largest racial group in Washington County, Wisconsin with a population of 128,523 (95.97%); Asian Alone population was the second largest racial group with a population of 1,759 (1.31%); and Two Or More Races was the third largest racial group with a population of 1,557 (1.16%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Washington County, Wisconsin in 2015, with a population of 124,838 (93.22%); the second largest ethnic group was White Alone - Hispanic with a population of 3,685 (2.75%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 1,735 (1.3%).

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

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

See this for other years:
Hispanics and Non Hispanics in Washington County, WI in 2015
Total Population:
Race in Washington County, WI in 2015
Total Population:
Ethnicity in Washington County, WI in 2015
Total Population:
Population By Race in Washington , WI in 2015
Race Population Percentage
Black or African American Alone 1,550 1.16%
White Alone 128,523 95.97%
American Indian and Alaska Native Alone 478 0.36%
Asian Alone 1,759 1.31%
Native Hawaiian And Pacific Islander Alone 53 0.04%
Two Or More Races 1,557 1.16%
Population By Ethnicity in Washington , WI in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 112 0.08%
White Alone - Hispanic 3,685 2.75%
American Indian and Alaska Native Alone - Hispanic 116 0.09%
Asian Alone - Hispanic 24 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 13 0.01%
Two Or More Races - Hispanic 170 0.13%
Black or African American Alone - Non Hispanic 1,438 1.07%
White Alone - Non Hispanic 124,838 93.22%
American Indian and Alaska Native Alone - Non Hispanic 362 0.27%
Asian Alone - Non Hispanic 1,735 1.3%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 40 0.03%
Two Or More Races - Non Hispanic 1,387 1.04%