Cass County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen voting-age population for Cass County, IL was 8.69K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (7.75K) and constituted 89.13% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (630) and constituted 7.25% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (235), constituting 2.70% 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:

Cass County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2018

Non-Hispanic White Alone

Hispanic or Latino of All Races

Non-Hispanic Black Alone

Non-Hispanic Two Or More Races

Non-Hispanic Asian Alone

Non-Hispanic American Indian & Alaska Native Alone

Non-Hispanic Native Hawaiian & Pac. Islander Alone

Cass County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2018

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Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	7745	89.13
Hispanic or Latino of All Races	630	7.25
Non-Hispanic Black or African American Alone	235	2.70
Non-Hispanic Two Or More Races	44	0.51
Non-Hispanic Asian Alone	30	0.35
Non-Hispanic American Indian and Alaska Native Alone	4	0.05
Non-Hispanic Native Hawaiian And Pacific Islander Alone	4	0.05