Jefferson County, Illinois Voting-age Population By Race and Ethnicity from Census 2020

Updated on August 29, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 28.85K voting-age population of Jefferson County, IL residents comprised of 572 residents who identified as Hispanic or Latino (1.98%), and 28.27K residents who identified as Non-Hispanic (98.02%).

Race: The White Alone voting-age population was the largest racial group in Jefferson County, IL, with a voting-age population of 24.97K (86.57%). The Black or African American Alone voting-age population was the second largest racial group in Jefferson County, IL, with a voting-age population of 2.07K (7.16%). The Two Or More Races voting-age population was the third largest racial group in Jefferson County, IL, with a voting-age population of 1.16K (4.00%). The smallest racial group in Jefferson County, IL was Native Hawaiian And Pacific Islander Alone with a voting-age population of 2 (0.01%).

Ethnicity: The Non-Hispanic - White Alone voting-age population was the largest ethnic group in Jefferson County, IL, with a voting-age population of 24.83K (86.07%). The Non-Hispanic - Black Alone voting-age population was the second largest ethnic group in Jefferson County, IL, with a voting-age population of 2.04K (7.08%). The Non-Hispanic - Two or More Races voting-age population was the third largest ethnic group in Jefferson County, IL, with a voting-age population of 1.01K (3.52%). The smallest ethnic group in Jefferson County, IL was Hispanic - Native Hawaiian & Pac. Islander with a voting-age population of 0 (0.00%).

The charts and tables below shows the voting-age population and percentage of each racial group and ethnicity group in Jefferson County, Illinois from the 2020 decennial census.

You can see similar information for other Illinois counties and also for the state of Illinois.

Jefferson County, IL Voting-age Hispanics and Non Hispanics Population in Census 2020
Total Voting-age Population:
Jefferson County, IL Voting-age Racial Groups in Census 2020
Total Voting-age Population:
Jefferson County, IL Voting-age Ethnicity Groups in Census 2020
Total Voting-age Population:
Jefferson County, IL Voting-age Population of Racial Groups in Census 2020
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Race Voting-age Population % of County Voting-age Population
Black or African American Alone 2065 7.16
White Alone 24971 86.57
American Indian and Alaska Native Alone 84 0.29
Asian Alone 286 0.99
Native Hawaiian And Pacific Islander Alone 2 0.01
Some Other Race Alone 283 0.98
Two Or More Races 1155 4.00
Jefferson County, IL Voting-age Population of Ethnicity Groups in Census 2020
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Ethnicity Voting-age Population % of County Voting-age Population
Non-Hispanic - White Alone 24827 86.07
Non-Hispanic - Black Alone 2043 7.08
Non-Hispanic - Two or More Races 1014 3.52
Non-Hispanic - Asian Alone 277 0.96
Hispanic - Some Other Race Alone 244 0.85
Hispanic - White Alone 144 0.50
Hispanic - Two or More Races 141 0.49
Non-Hispanic - American Indian & Alaska Native 72 0.25
Non-Hispanic - Some Other Race Alone 39 0.14
Hispanic - Black Alone 22 0.08
Hispanic - American Indian & Alaska Native 12 0.04
Hispanic - Asian Alone 9 0.03
Non-Hispanic - Native Hawaiian & Pac. Islander 2 0.01
Hispanic - Native Hawaiian & Pac. Islander 0 0.00