Williamson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2011 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2011, the citizen voting-age population for Williamson County, IL was 50.74K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (47.72K) and constituted 94.05% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (1.80K) and constituted 3.54% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (555), constituting 1.09% 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 2011

Non-Hispanic White Alone

Non-Hispanic Black Alone

Hispanic or Latino of All Races

Non-Hispanic Two Or More Races

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Asian Alone

Williamson County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2011

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	47715	94.05
Non-Hispanic Black or African American Alone	1795	3.54
Hispanic or Latino of All Races	555	1.09
Non-Hispanic Two Or More Races	300	0.59
Non-Hispanic American Indian and Alaska Native Alone	230	0.45
Non-Hispanic Asian Alone	140	0.28