Stephenson 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 Stephenson County, IL was 34.21K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (29.27K) and constituted 85.55% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (2.94K) and constituted 8.58% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (1.12K), constituting 3.26% 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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Stephenson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2023
Non-Hispanic White Alone
Non-Hispanic Black Alone
Hispanic or Latino of All Races
Non-Hispanic Two Or More Races
Non-Hispanic Asian Alone
Non-Hispanic American Indian & Alaska Native Alone
Stephenson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2023
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Ethnicity Voting-age Population % of Voting-age Pop.
Non-Hispanic White Alone 29265 85.55
Non-Hispanic Black or African American Alone 2935 8.58
Hispanic or Latino of All Races 1115 3.26
Non-Hispanic Two Or More Races 684 2.00
Non-Hispanic Asian Alone 195 0.57
Non-Hispanic American Indian and Alaska Native Alone 20 0.06