Population By Race and Ethnicity in Jefferson County, WI in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 86,193 population of Jefferson County, Wisconsin comprised of 6,418 people who identified as Hispanic (7.45%), and 79,775 people who identified as Non-Hispanic (92.55%).

Race: The White Alone population was the largest racial group in Jefferson County, Wisconsin with a population of 82,574 (95.8%); Two Or More Races population was the second largest racial group with a population of 1,231 (1.43%); and Black or African American Alone was the third largest racial group with a population of 1,066 (1.24%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Wisconsin in 2020, with a population of 76,726 (89.02%); the second largest ethnic group was White Alone - Hispanic with a population of 5,848 (6.79%); 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.

See this for other years:
Hispanics and Non Hispanics in Jefferson County, WI in 2020
Total Population:
Race in Jefferson County, WI in 2020
Total Population:
Ethnicity in Jefferson County, WI in 2020
Total Population:
Population By Race in Jefferson , WI in 2020
Race Population Percentage
Black or African American Alone 1,066 1.24%
White Alone 82,574 95.8%
American Indian and Alaska Native Alone 443 0.51%
Asian Alone 845 0.98%
Native Hawaiian And Pacific Islander Alone 34 0.04%
Two Or More Races 1,231 1.43%
Population By Ethnicity in Jefferson , WI in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 165 0.19%
White Alone - Hispanic 5,848 6.79%
American Indian and Alaska Native Alone - Hispanic 161 0.19%
Asian Alone - Hispanic 49 0.06%
Native Hawaiian And Pacific Islander Alone - Hispanic 17 0.02%
Two Or More Races - Hispanic 178 0.21%
Black or African American Alone - Non Hispanic 901 1.05%
White Alone - Non Hispanic 76,726 89.02%
American Indian and Alaska Native Alone - Non Hispanic 282 0.33%
Asian Alone - Non Hispanic 796 0.92%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 17 0.02%
Two Or More Races - Non Hispanic 1,053 1.22%