Waukesha, Wisconsin Population By Ethnicity in Census 2020

Updated on February 22, 2026.

According to the data from the US 2020 decennial Census, in April 2020, among Waukesha, WI population of 406,978 people, 85.49% (347,922) identified their ethnicity as Non-Hispanic - White Alone, 3.84% (15,616) identified their ethnicity as Non-Hispanic - Asian Alone, and 3.17% (12,891) identified their ethnicity as Non-Hispanic - Two Or More Races.

The first chart below shows the population by ethnicity and the second chart shows the percentage of the population for each ethnicity. You can also find the information in a table below.

You can see similar information for other Wisconsin counties and also for the state of Wisconsin.

Waukesha, WI Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Asian Alone
Non-Hispanic - Two or More Races
Hispanic - Two or More Races
Non-Hispanic - Black Alone
Hispanic - White Alone
Hispanic - Some Other Race Alone
Percentage of Waukesha, WI Population By Ethnicity in Census 2020
Non-Hispanic - White Alone
Non-Hispanic - Asian Alone
Non-Hispanic - Two or More Races
Hispanic - Two or More Races
Non-Hispanic - Black Alone
Hispanic - White Alone
Hispanic - Some Other Race Alone
Waukesha, WI Population By Ethnicity in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 347922 85.49
Non-Hispanic - Asian Alone 15616 3.84
Non-Hispanic - Two Or More Races 12891 3.17
Hispanic - Two Or More Races 10157 2.50
Non-Hispanic - Black or African American Alone 6648 1.63
Hispanic - White Alone 6024 1.48
Hispanic - Some Other Race Alone 4964 1.22
Non-Hispanic - Some Other Race Alone 1138 0.28
Non-Hispanic - American Indian and Alaska Native Alone 807 0.20
Hispanic - American Indian and Alaska Native Alone 395 0.10
Hispanic - Black or African American Alone 204 0.05
Non-Hispanic - Native Hawaiian And Pacific Islander Alone 121 0.03
Hispanic - Asian Alone 82 0.02
Hispanic - Native Hawaiian And Pacific Islander Alone 9 0.00