Population By Race and Ethnicity in Rock Island County, IL in 2016

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2016, the 144,977 population of Rock Island County, Illinois comprised of 18,314 people who identified as Hispanic (12.63%), and 126,663 people who identified as Non-Hispanic (87.37%).

Race: The White Alone population was the largest racial group in Rock Island County, Illinois with a population of 120,833 (83.35%); Black or African American Alone population was the second largest racial group with a population of 15,430 (10.64%); and Two Or More Races was the third largest racial group with a population of 4,100 (2.83%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Rock Island County, Illinois in 2016, with a population of 104,780 (72.27%); the second largest ethnic group was White Alone - Hispanic with a population of 16,053 (11.07%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 14,601 (10.07%).

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.

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Hispanics and Non Hispanics in Rock Island County, IL in 2016
Total Population:
Race in Rock Island County, IL in 2016
Total Population:
Ethnicity in Rock Island County, IL in 2016
Total Population:
Population By Race in Rock Island , IL in 2016
Race Population Percentage
Black or African American Alone 15,430 10.64%
White Alone 120,833 83.35%
American Indian and Alaska Native Alone 836 0.58%
Asian Alone 3,716 2.56%
Native Hawaiian And Pacific Islander Alone 62 0.04%
Two Or More Races 4,100 2.83%
Population By Ethnicity in Rock Island , IL in 2016
Ethnicity Population Percentage
Black or African American Alone - Hispanic 829 0.57%
White Alone - Hispanic 16,053 11.07%
American Indian and Alaska Native Alone - Hispanic 562 0.39%
Asian Alone - Hispanic 121 0.08%
Native Hawaiian And Pacific Islander Alone - Hispanic 13 0.01%
Two Or More Races - Hispanic 736 0.51%
Black or African American Alone - Non Hispanic 14,601 10.07%
White Alone - Non Hispanic 104,780 72.27%
American Indian and Alaska Native Alone - Non Hispanic 274 0.19%
Asian Alone - Non Hispanic 3,595 2.48%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 49 0.03%
Two Or More Races - Non Hispanic 3,364 2.32%