Williamson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2024 (ACS-5Yrs)

Updated on March 26, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2024, the citizen voting-age population for Williamson County, IL was 52.03K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (47.29K) and constituted 90.88% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (2.25K) and constituted 4.32% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (1.11K), constituting 2.13% 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.

Data Source: US Census - ACS 5-Years (CVAP).

See this for other years:

Williamson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2024

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

Williamson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2024

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	47286	90.88
Non-Hispanic Black or African American Alone	2247	4.32
Hispanic or Latino of All Races	1110	2.13
Non-Hispanic Two Or More Races	810	1.56
Non-Hispanic Asian Alone	473	0.91
Non-Hispanic American Indian and Alaska Native Alone	110	0.21