Population By Race and Ethnicity in Cook County, IL in 2018

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2018, the 5,171,007 population of Cook County, Illinois comprised of 1,308,966 people who identified as Hispanic (25.31%), and 3,862,041 people who identified as Non-Hispanic (74.69%).

Race: The White Alone population was the largest racial group in Cook County, Illinois with a population of 3,377,117 (65.31%); Black or African American Alone population was the second largest racial group with a population of 1,239,247 (23.97%); and Asian Alone was the third largest racial group with a population of 408,133 (7.89%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Cook County, Illinois in 2018, with a population of 2,182,505 (42.21%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 1,195,033 (23.11%); and the third largest ethnic group was White Alone - Hispanic with a population of 1,194,612 (23.1%).

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

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

See this for other years:
Hispanics and Non Hispanics in Cook County, IL in 2018
Total Population:
Race in Cook County, IL in 2018
Total Population:
Ethnicity in Cook County, IL in 2018
Total Population:
Population By Race in Cook , IL in 2018
Race Population Percentage
Black or African American Alone 1,239,247 23.97%
White Alone 3,377,117 65.31%
American Indian and Alaska Native Alone 38,248 0.74%
Asian Alone 408,133 7.89%
Native Hawaiian And Pacific Islander Alone 3,744 0.07%
Two Or More Races 104,518 2.02%
Population By Ethnicity in Cook , IL in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 44,214 0.86%
White Alone - Hispanic 1,194,612 23.1%
American Indian and Alaska Native Alone - Hispanic 31,984 0.62%
Asian Alone - Hispanic 9,555 0.19%
Native Hawaiian And Pacific Islander Alone - Hispanic 2,758 0.05%
Two Or More Races - Hispanic 25,843 0.5%
Black or African American Alone - Non Hispanic 1,195,033 23.11%
White Alone - Non Hispanic 2,182,505 42.21%
American Indian and Alaska Native Alone - Non Hispanic 6,264 0.12%
Asian Alone - Non Hispanic 398,578 7.71%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 986 0.02%
Two Or More Races - Non Hispanic 78,675 1.52%