Rock Island County, Illinois Citizen Voting-age Population By Race and Ethnicity in 2010 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2010, the citizen voting-age population for Rock Island County, IL was 108.78K. The Non-Hispanic White Alone ethnicity group had the highest citizen voting-age population (91.57K) and constituted 84.17% of the total.

The Non-Hispanic Black or African American Alone ethnicity group had the second highest citizen voting-age population (8.34K) and constituted 7.67% of the total. The Hispanic or Latino of All Races ethnicity group had the third highest (6.74K), constituting 6.19% 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 2010

Non-Hispanic White Alone

Non-Hispanic Black Alone

Hispanic or Latino of All Races

Non-Hispanic Asian Alone

Non-Hispanic Two Or More Races

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 2010

0 of 0

Ethnicity	Voting-age Population	% of Voting-age Pop.
Non-Hispanic White Alone	91565	84.17
Non-Hispanic Black or African American Alone	8340	7.67
Hispanic or Latino of All Races	6735	6.19
Non-Hispanic Asian Alone	1005	0.92
Non-Hispanic Two Or More Races	920	0.85
Non-Hispanic American Indian and Alaska Native Alone	190	0.18
Non-Hispanic Native Hawaiian And Pacific Islander Alone	15	0.01