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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Rock Island County, IL in 2010

Total Population:147,613

Non Hispanic (88.35%)

Hispanic (11.65%)

Race in Rock Island County, IL in 2010

Total Population:147,613

White Alone (86.03%)

Black or African American Alone (9.31%)

Two or more races (2.34%)

Asian Alone (1.74%)

American Indian and Alaska Native Alone (0.53%)

Native Hawaiian And Pacific Islander Alone (0.04%)

Ethnicity in Rock Island County, IL in 2010

Total Population:147,613

Non-Hispanic White Alone (75.72%)

Hispanic White Alone (10.31%)

Non-Hispanic Black or African American Alone (8.81%)

Non-Hispanic Two or more races (1.92%)

Non-Hispanic Asian Alone (1.67%)

All Other Ethnicities (1.56%)

Population By Race in Rock Island , IL in 2010

Race	Population	Percentage
White Alone	126,998	86.03%
Black or African American Alone	13,741	9.31%
Two Or More Races	3,460	2.34%
Asian Alone	2,572	1.74%
American Indian and Alaska Native Alone	787	0.53%
Native Hawaiian And Pacific Islander Alone	55	0.04%

Population By Ethnicity in Rock Island , IL in 2010

Ethnicity	Population	Percentage
White Alone - Non Hispanic	111,777	75.72%
White Alone - Hispanic	15,221	10.31%
Black or African American Alone - Non Hispanic	13,009	8.81%
Two Or More Races - Non Hispanic	2,834	1.92%
Asian Alone - Non Hispanic	2,471	1.67%
Black or African American Alone - Hispanic	732	0.5%
Two Or More Races - Hispanic	626	0.42%
American Indian and Alaska Native Alone - Hispanic	507	0.34%
American Indian and Alaska Native Alone - Non Hispanic	280	0.19%
Asian Alone - Hispanic	101	0.07%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	45	0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic	10	0.01%