Population By Race and Ethnicity in Jefferson County, WI in 2021

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2021, the 85,796 population of Jefferson County, Wisconsin comprised of 6,543 people who identified as Hispanic (7.63%), and 79,253 people who identified as Non-Hispanic (92.37%).

Race: The White Alone population was the largest racial group in Jefferson County, Wisconsin with a population of 82,163 (95.77%); Two Or More Races population was the second largest racial group with a population of 1,286 (1.5%); and Black or African American Alone was the third largest racial group with a population of 1,026 (1.2%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Wisconsin in 2021, with a population of 76,184 (88.8%); the second largest ethnic group was White Alone - Hispanic with a population of 5,979 (6.97%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 1,094 (1.27%).

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.

See this for other years:
Hispanics and Non Hispanics in Jefferson County, WI in 2021
Total Population:
Race in Jefferson County, WI in 2021
Total Population:
Ethnicity in Jefferson County, WI in 2021
Total Population:
Population By Race in Jefferson , WI in 2021
Race Population Percentage
Black or African American Alone 1,026 1.2%
White Alone 82,163 95.77%
American Indian and Alaska Native Alone 446 0.52%
Asian Alone 842 0.98%
Native Hawaiian And Pacific Islander Alone 33 0.04%
Two Or More Races 1,286 1.5%
Population By Ethnicity in Jefferson , WI in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 153 0.18%
White Alone - Hispanic 5,979 6.97%
American Indian and Alaska Native Alone - Hispanic 158 0.18%
Asian Alone - Hispanic 49 0.06%
Native Hawaiian And Pacific Islander Alone - Hispanic 12 0.01%
Two Or More Races - Hispanic 192 0.22%
Black or African American Alone - Non Hispanic 873 1.02%
White Alone - Non Hispanic 76,184 88.8%
American Indian and Alaska Native Alone - Non Hispanic 288 0.34%
Asian Alone - Non Hispanic 793 0.92%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 21 0.02%
Two Or More Races - Non Hispanic 1,094 1.27%