Population By Race and Ethnicity in Waukesha County, WI in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 390,051 population of Waukesha County, Wisconsin comprised of 16,211 people who identified as Hispanic (4.16%), and 373,840 people who identified as Non-Hispanic (95.84%).

Race: The White Alone population was the largest racial group in Waukesha County, Wisconsin with a population of 368,380 (94.44%); Asian Alone population was the second largest racial group with a population of 11,005 (2.82%); and Black or African American Alone was the third largest racial group with a population of 4,982 (1.28%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Waukesha County, Wisconsin in 2010, with a population of 353,319 (90.58%); the second largest ethnic group was White Alone - Hispanic with a population of 15,061 (3.86%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 10,922 (2.8%).

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 2010
Total Population:
Race in Waukesha County, WI in 2010
Total Population:
Ethnicity in Waukesha County, WI in 2010
Total Population:
Population By Race in Waukesha , WI in 2010
Race Population Percentage
Black or African American Alone 4,982 1.28%
White Alone 368,380 94.44%
American Indian and Alaska Native Alone 1,173 0.3%
Asian Alone 11,005 2.82%
Native Hawaiian And Pacific Islander Alone 181 0.05%
Two Or More Races 4,330 1.11%
Population By Ethnicity in Waukesha , WI in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 247 0.06%
White Alone - Hispanic 15,061 3.86%
American Indian and Alaska Native Alone - Hispanic 323 0.08%
Asian Alone - Hispanic 83 0.02%
Native Hawaiian And Pacific Islander Alone - Hispanic 41 0.01%
Two Or More Races - Hispanic 456 0.12%
Black or African American Alone - Non Hispanic 4,735 1.21%
White Alone - Non Hispanic 353,319 90.58%
American Indian and Alaska Native Alone - Non Hispanic 850 0.22%
Asian Alone - Non Hispanic 10,922 2.8%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 140 0.04%
Two Or More Races - Non Hispanic 3,874 0.99%