Population By Race and Ethnicity in Rock Island County, IL in 2010

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2010, the 147,613 population of Rock Island County, Illinois comprised of 17,197 people who identified as Hispanic (11.65%), and 130,416 people who identified as Non-Hispanic (88.35%).

Race: The White Alone population was the largest racial group in Rock Island County, Illinois with a population of 126,998 (86.03%); Black or African American Alone population was the second largest racial group with a population of 13,741 (9.31%); and Two Or More Races was the third largest racial group with a population of 3,460 (2.34%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Rock Island County, Illinois in 2010, with a population of 111,777 (75.72%); the second largest ethnic group was White Alone - Hispanic with a population of 15,221 (10.31%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 13,009 (8.81%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Rock Island, Illinois.

You can find similar information for other Illinois counties, and for Illinois.

See this for other years:
Hispanics and Non Hispanics in Rock Island County, IL in 2010
Total Population:
Race in Rock Island County, IL in 2010
Total Population:
Ethnicity in Rock Island County, IL in 2010
Total Population:
Population By Race in Rock Island , IL in 2010
Race Population Percentage
Black or African American Alone 13,741 9.31%
White Alone 126,998 86.03%
American Indian and Alaska Native Alone 787 0.53%
Asian Alone 2,572 1.74%
Native Hawaiian And Pacific Islander Alone 55 0.04%
Two Or More Races 3,460 2.34%
Population By Ethnicity in Rock Island , IL in 2010
Ethnicity Population Percentage
Black or African American Alone - Hispanic 732 0.5%
White Alone - Hispanic 15,221 10.31%
American Indian and Alaska Native Alone - Hispanic 507 0.34%
Asian Alone - Hispanic 101 0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic 10 0.01%
Two Or More Races - Hispanic 626 0.42%
Black or African American Alone - Non Hispanic 13,009 8.81%
White Alone - Non Hispanic 111,777 75.72%
American Indian and Alaska Native Alone - Non Hispanic 280 0.19%
Asian Alone - Non Hispanic 2,471 1.67%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 45 0.03%
Two Or More Races - Non Hispanic 2,834 1.92%