Population By Race and Ethnicity in Washington County, WI in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 135,615 population of Washington County, Wisconsin comprised of 4,419 people who identified as Hispanic (3.26%), and 131,196 people who identified as Non-Hispanic (96.74%).

Race: The White Alone population was the largest racial group in Washington County, Wisconsin with a population of 129,486 (95.48%); Asian Alone population was the second largest racial group with a population of 1,944 (1.43%); and Black or African American Alone was the third largest racial group with a population of 1,812 (1.34%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Washington County, Wisconsin in 2018, with a population of 125,590 (92.61%); the second largest ethnic group was White Alone - Hispanic with a population of 3,896 (2.87%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 1,916 (1.41%).

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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Washington County, WI in 2018

Total Population:135,615

Non Hispanic (96.74%)

Hispanic (3.26%)

Race in Washington County, WI in 2018

Total Population:135,615

White Alone (95.48%)

Asian Alone (1.43%)

Black or African American Alone (1.34%)

Two or more races (1.32%)

American Indian and Alaska Native Alone (0.39%)

Native Hawaiian And Pacific Islander Alone (0.04%)

Ethnicity in Washington County, WI in 2018

Total Population:135,615

Non-Hispanic White Alone (92.61%)

Hispanic White Alone (2.87%)

Non-Hispanic Asian Alone (1.41%)

Non-Hispanic Black or African American Alone (1.24%)

Non-Hispanic Two or more races (1.16%)

All Other Ethnicities (0.71%)

Population By Race in Washington , WI in 2018

Race	Population	Percentage
White Alone	129,486	95.48%
Asian Alone	1,944	1.43%
Black or African American Alone	1,812	1.34%
Two Or More Races	1,791	1.32%
American Indian and Alaska Native Alone	530	0.39%
Native Hawaiian And Pacific Islander Alone	52	0.04%

Population By Ethnicity in Washington , WI in 2018

Ethnicity	Population	Percentage
White Alone - Non Hispanic	125,590	92.61%
White Alone - Hispanic	3,896	2.87%
Asian Alone - Non Hispanic	1,916	1.41%
Black or African American Alone - Non Hispanic	1,677	1.24%
Two Or More Races - Non Hispanic	1,579	1.16%
American Indian and Alaska Native Alone - Non Hispanic	393	0.29%
Two Or More Races - Hispanic	212	0.16%
American Indian and Alaska Native Alone - Hispanic	137	0.1%
Black or African American Alone - Hispanic	135	0.1%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	41	0.03%
Asian Alone - Hispanic	28	0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic	11	0.01%