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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Waukesha County, WI in 2023

Total Population:412,591

Non Hispanic (94.1%)

Hispanic (5.9%)

Race in Waukesha County, WI in 2023

Total Population:412,591

White Alone (91.42%)

Asian Alone (4.21%)

Black or African American Alone (2.12%)

Two or more races (1.86%)

American Indian and Alaska Native Alone (0.34%)

Native Hawaiian And Pacific Islander Alone (0.06%)

Ethnicity in Waukesha County, WI in 2023

Total Population:412,591

Non-Hispanic White Alone (86.08%)

Hispanic White Alone (5.33%)

Non-Hispanic Asian Alone (4.18%)

Non-Hispanic Black or African American Alone (1.95%)

Non-Hispanic Two or more races (1.63%)

All Other Ethnicities (0.83%)

Population By Race in Waukesha , WI in 2023

Race	Population	Percentage
White Alone	377,168	91.42%
Asian Alone	17,377	4.21%
Black or African American Alone	8,742	2.12%
Two Or More Races	7,682	1.86%
American Indian and Alaska Native Alone	1,391	0.34%
Native Hawaiian And Pacific Islander Alone	231	0.06%

Population By Ethnicity in Waukesha , WI in 2023

Ethnicity	Population	Percentage
White Alone - Non Hispanic	355,159	86.08%
White Alone - Hispanic	22,009	5.33%
Asian Alone - Non Hispanic	17,235	4.18%
Black or African American Alone - Non Hispanic	8,040	1.95%
Two Or More Races - Non Hispanic	6,733	1.63%
Two Or More Races - Hispanic	949	0.23%
American Indian and Alaska Native Alone - Non Hispanic	934	0.23%
Black or African American Alone - Hispanic	702	0.17%
American Indian and Alaska Native Alone - Hispanic	457	0.11%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	157	0.04%
Asian Alone - Hispanic	142	0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic	74	0.02%