Williamson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2016 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2016, the citizen voting-age population for Williamson County, IL was 51.99K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (48.18K) and constituted 92.67% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (2.15K) and constituted 4.14% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (825), constituting 1.59% 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 2016

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

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Williamson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2016

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	48175	92.67
Non-Hispanic Black or African American Alone	2150	4.14
Hispanic or Latino of All Races	825	1.59
Non-Hispanic Two Or More Races	450	0.87
Non-Hispanic Asian Alone	240	0.46
Non-Hispanic American Indian and Alaska Native Alone	130	0.25
Non-Hispanic Native Hawaiian And Pacific Islander Alone	20	0.04