Jefferson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2023 (ACS-5Yrs)

Updated on March 26, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2023, the citizen voting-age population for Jefferson County, IL was 28.32K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (24.93K) and constituted 88.03% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (1.71K) and constituted 6.04% of the total. The Non-Hispanic Two Or More Races ethnicity group had the third highest (824), constituting 2.91% of the total citizen voting-age population.

The charts and tables below shows the citizen voting-age population and percentages by race and ethnicity.

You can also see similar information for other Illinois counties, and for Illinois.

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Jefferson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2023
Non-Hispanic White Alone
Non-Hispanic Black Alone
Non-Hispanic Two Or More Races
Hispanic or Latino of All Races
Non-Hispanic Asian Alone
Non-Hispanic American Indian & Alaska Native Alone
Non-Hispanic Native Hawaiian & Pac. Islander Alone
Jefferson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2023
0 of 0
Ethnicity Voting-age Population % of Voting-age Pop.
Non-Hispanic White Alone 24925 88.03
Non-Hispanic Black or African American Alone 1710 6.04
Non-Hispanic Two Or More Races 824 2.91
Hispanic or Latino of All Races 555 1.96
Non-Hispanic Asian Alone 255 0.90
Non-Hispanic American Indian and Alaska Native Alone 45 0.16
Non-Hispanic Native Hawaiian And Pacific Islander Alone 10 0.04