Population By Race and Ethnicity in Jefferson, WI in 2020

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2020, the 86,208 population of Jefferson County, Wisconsin comprised of 7,146 people who identified as Hispanic (8.29%), and 79,062 people who identified as Non-Hispanic (91.71%).

Race: The White Alone population was the largest racial group in Jefferson County, Wisconsin with a population of 82,567 (95.78%); Two Or More Races population was the second largest racial group with a population of 1,230 (1.43%); and Black or African American Alone was the third largest racial group with a population of 1,076 (1.25%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Wisconsin in 2020, with a population of 76,014 (88.18%); the second largest ethnic group was White Alone - Hispanic with a population of 6,553 (7.6%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 1,053 (1.22%).

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

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

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Hispanics and Non Hispanics in Jefferson, WI in 2020
Total Population:
Race in Jefferson, WI in 2020
Total Population:
Ethnicity in Jefferson, WI in 2020
Total Population:
Population By Race in Jefferson , WI in 2020
Race Population Percentage
Black or African American Alone 1,076 1.25%
White Alone 82,567 95.78%
American Indian and Alaska Native Alone 458 0.53%
Asian Alone 843 0.98%
Native Hawaiian And Pacific Islander Alone 34 0.04%
Two Or More Races 1,230 1.43%
Population By Ethnicity in Jefferson , WI in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 173 0.2%
White Alone - Hispanic 6,553 7.6%
American Indian and Alaska Native Alone - Hispanic 176 0.2%
Asian Alone - Hispanic 50 0.06%
Native Hawaiian And Pacific Islander Alone - Hispanic 17 0.02%
Two Or More Races - Hispanic 177 0.21%
Black or African American Alone - Non Hispanic 903 1.05%
White Alone - Non Hispanic 76,014 88.18%
American Indian and Alaska Native Alone - Non Hispanic 282 0.33%
Asian Alone - Non Hispanic 793 0.92%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 17 0.02%
Two Or More Races - Non Hispanic 1,053 1.22%