Population By Race and Ethnicity in Cook County, IL in 2020

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2020, the 5,261,249 population of Cook County, Illinois comprised of 1,360,135 people who identified as Hispanic (25.85%), and 3,901,114 people who identified as Non-Hispanic (74.15%).

Race: The White Alone population was the largest racial group in Cook County, Illinois with a population of 3,430,318 (65.2%); Black or African American Alone population was the second largest racial group with a population of 1,251,194 (23.78%); and Asian Alone was the third largest racial group with a population of 425,246 (8.08%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Cook County, Illinois in 2020, with a population of 2,190,255 (41.63%); the second largest ethnic group was White Alone - Hispanic with a population of 1,240,063 (23.57%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 1,204,448 (22.89%).

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 2020
Total Population:
Race in Cook County, IL in 2020
Total Population:
Ethnicity in Cook County, IL in 2020
Total Population:
Population By Race in Cook , IL in 2020
Race Population Percentage
Black or African American Alone 1,251,194 23.78%
White Alone 3,430,318 65.2%
American Indian and Alaska Native Alone 39,879 0.76%
Asian Alone 425,246 8.08%
Native Hawaiian And Pacific Islander Alone 3,726 0.07%
Two Or More Races 110,886 2.11%
Population By Ethnicity in Cook , IL in 2020
Ethnicity Population Percentage
Black or African American Alone - Hispanic 46,746 0.89%
White Alone - Hispanic 1,240,063 23.57%
American Indian and Alaska Native Alone - Hispanic 33,589 0.64%
Asian Alone - Hispanic 9,878 0.19%
Native Hawaiian And Pacific Islander Alone - Hispanic 2,789 0.05%
Two Or More Races - Hispanic 27,070 0.52%
Black or African American Alone - Non Hispanic 1,204,448 22.89%
White Alone - Non Hispanic 2,190,255 41.63%
American Indian and Alaska Native Alone - Non Hispanic 6,290 0.12%
Asian Alone - Non Hispanic 415,368 7.9%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 937 0.02%
Two Or More Races - Non Hispanic 83,816 1.59%