Population By Race and Ethnicity in Waukesha County, WI in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the 412,591 population of Waukesha County, Wisconsin comprised of 24,333 people who identified as Hispanic (5.9%), and 388,258 people who identified as Non-Hispanic (94.1%).

Race: The White Alone population was the largest racial group in Waukesha County, Wisconsin with a population of 377,168 (91.42%); Asian Alone population was the second largest racial group with a population of 17,377 (4.21%); and Black or African American Alone was the third largest racial group with a population of 8,742 (2.12%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Waukesha County, Wisconsin in 2023, with a population of 355,159 (86.08%); the second largest ethnic group was White Alone - Hispanic with a population of 22,009 (5.33%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 17,235 (4.18%).

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

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

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Hispanics and Non Hispanics in Waukesha County, WI in 2023
Total Population:
Race in Waukesha County, WI in 2023
Total Population:
Ethnicity in Waukesha County, WI in 2023
Total Population:
Population By Race in Waukesha , WI in 2023
Race Population Percentage
Black or African American Alone 8,742 2.12%
White Alone 377,168 91.42%
American Indian and Alaska Native Alone 1,391 0.34%
Asian Alone 17,377 4.21%
Native Hawaiian And Pacific Islander Alone 231 0.06%
Two Or More Races 7,682 1.86%
Population By Ethnicity in Waukesha , WI in 2023
Ethnicity Population Percentage
Black or African American Alone - Hispanic 702 0.17%
White Alone - Hispanic 22,009 5.33%
American Indian and Alaska Native Alone - Hispanic 457 0.11%
Asian Alone - Hispanic 142 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 74 0.02%
Two Or More Races - Hispanic 949 0.23%
Black or African American Alone - Non Hispanic 8,040 1.95%
White Alone - Non Hispanic 355,159 86.08%
American Indian and Alaska Native Alone - Non Hispanic 934 0.23%
Asian Alone - Non Hispanic 17,235 4.18%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 157 0.04%
Two Or More Races - Non Hispanic 6,733 1.63%