Population By Race and Ethnicity in Jefferson County, WI in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 84,501 population of Jefferson County, Wisconsin comprised of 5,847 people who identified as Hispanic (6.92%), and 78,654 people who identified as Non-Hispanic (93.08%).

Race: The White Alone population was the largest racial group in Jefferson County, Wisconsin with a population of 81,478 (96.42%); Two Or More Races population was the second largest racial group with a population of 1,018 (1.21%); and Black or African American Alone was the third largest racial group with a population of 842 (1%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Wisconsin in 2015, with a population of 76,089 (90.05%); the second largest ethnic group was White Alone - Hispanic with a population of 5,389 (6.38%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 853 (1.01%).

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 2015
Total Population:
Race in Jefferson County, WI in 2015
Total Population:
Ethnicity in Jefferson County, WI in 2015
Total Population:
Population By Race in Jefferson , WI in 2015
Race Population Percentage
Black or African American Alone 842 1%
White Alone 81,478 96.42%
American Indian and Alaska Native Alone 378 0.45%
Asian Alone 754 0.89%
Native Hawaiian And Pacific Islander Alone 31 0.04%
Two Or More Races 1,018 1.21%
Population By Ethnicity in Jefferson , WI in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 121 0.14%
White Alone - Hispanic 5,389 6.38%
American Indian and Alaska Native Alone - Hispanic 127 0.15%
Asian Alone - Hispanic 32 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 13 0.02%
Two Or More Races - Hispanic 165 0.2%
Black or African American Alone - Non Hispanic 721 0.85%
White Alone - Non Hispanic 76,089 90.05%
American Indian and Alaska Native Alone - Non Hispanic 251 0.3%
Asian Alone - Non Hispanic 722 0.85%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 18 0.02%
Two Or More Races - Non Hispanic 853 1.01%