Stephenson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2019 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2019, the citizen voting-age population for Stephenson County, IL was 34.95K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (30.41K) and constituted 87.00% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (3.10K) and constituted 8.86% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (850), constituting 2.43% 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 2019
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 2019
0 of 0
Ethnicity Voting-age Population % of Voting-age Pop.
Non-Hispanic White Alone 30405 87.00
Non-Hispanic Black or African American Alone 3095 8.86
Hispanic or Latino of All Races 850 2.43
Non-Hispanic Two Or More Races 405 1.16
Non-Hispanic Asian Alone 175 0.50
Non-Hispanic American Indian and Alaska Native Alone 20 0.06