Population By Race and Ethnicity in Rock Island County, IL in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the 141,236 population of Rock Island County, Illinois comprised of 20,408 people who identified as Hispanic (14.45%), and 120,828 people who identified as Non-Hispanic (85.55%).

Race: The White Alone population was the largest racial group in Rock Island County, Illinois with a population of 113,943 (80.68%); Black or African American Alone population was the second largest racial group with a population of 17,520 (12.41%); and Two Or More Races was the third largest racial group with a population of 4,881 (3.46%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Rock Island County, Illinois in 2023, with a population of 96,191 (68.11%); the second largest ethnic group was White Alone - Hispanic with a population of 17,752 (12.57%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 16,582 (11.74%).

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 2023
Total Population:
Race in Rock Island County, IL in 2023
Total Population:
Ethnicity in Rock Island County, IL in 2023
Total Population:
Population By Race in Rock Island , IL in 2023
Race Population Percentage
Black or African American Alone 17,520 12.41%
White Alone 113,943 80.68%
American Indian and Alaska Native Alone 967 0.69%
Asian Alone 3,847 2.72%
Native Hawaiian And Pacific Islander Alone 78 0.06%
Two Or More Races 4,881 3.46%
Population By Ethnicity in Rock Island , IL in 2023
Ethnicity Population Percentage
Black or African American Alone - Hispanic 938 0.66%
White Alone - Hispanic 17,752 12.57%
American Indian and Alaska Native Alone - Hispanic 687 0.49%
Asian Alone - Hispanic 148 0.11%
Native Hawaiian And Pacific Islander Alone - Hispanic 28 0.02%
Two Or More Races - Hispanic 855 0.61%
Black or African American Alone - Non Hispanic 16,582 11.74%
White Alone - Non Hispanic 96,191 68.11%
American Indian and Alaska Native Alone - Non Hispanic 280 0.2%
Asian Alone - Non Hispanic 3,699 2.62%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 50 0.04%
Two Or More Races - Non Hispanic 4,026 2.85%