Rock Island County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2017 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2017, the citizen voting-age population for Rock Island County, IL was 107.09K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (86.82K) and constituted 81.08% of the total.

The Hispanic or Latino of All Races ethnicity group had the second highest citizen voting-age population (8.87K) and constituted 8.28% of the total. The Non-Hispanic Black or African American Alone ethnicity group had the third highest (8.72K), constituting 8.14% 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:

Rock Island County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2017

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

Rock Island County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2017

0 of 0

Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	86820	81.08
Hispanic or Latino of All Races	8865	8.28
Non-Hispanic Black or African American Alone	8720	8.14
Non-Hispanic Two Or More Races	1380	1.29
Non-Hispanic Asian Alone	1035	0.97
Non-Hispanic American Indian and Alaska Native Alone	235	0.22
Non-Hispanic Native Hawaiian And Pacific Islander Alone	35	0.03