Population By Race and Ethnicity in Cook County, IL in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 5,243,371 population of Cook County, Illinois comprised of 1,301,713 people who identified as Hispanic (24.83%), and 3,941,658 people who identified as Non-Hispanic (75.17%).

Race: The White Alone population was the largest racial group in Cook County, Illinois with a population of 3,434,526 (65.5%); Black or African American Alone population was the second largest racial group with a population of 1,279,297 (24.4%); and Asian Alone was the third largest racial group with a population of 387,848 (7.4%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Cook County, Illinois in 2015, with a population of 2,245,903 (42.83%); the second largest ethnic group was Black or African American Alone - Non Hispanic with a population of 1,235,734 (23.57%); and the third largest ethnic group was White Alone - Hispanic with a population of 1,188,623 (22.67%).

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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Cook County, IL in 2015

Total Population:5,243,371

Non Hispanic (75.17%)

Hispanic (24.83%)

Race in Cook County, IL in 2015

Total Population:5,243,371

White Alone (65.5%)

Black or African American Alone (24.4%)

Asian Alone (7.4%)

Two or more races (1.88%)

American Indian and Alaska Native Alone (0.75%)

Native Hawaiian And Pacific Islander Alone (0.07%)

Ethnicity in Cook County, IL in 2015

Total Population:5,243,371

Non-Hispanic White Alone (42.83%)

Non-Hispanic Black or African American Alone (23.57%)

Hispanic White Alone (22.67%)

Non-Hispanic Asian Alone (7.22%)

All Other Ethnicities (2.30%)

Non-Hispanic Two or more races (1.41%)

Population By Race in Cook , IL in 2015

Race	Population	Percentage
White Alone	3,434,526	65.5%
Black or African American Alone	1,279,297	24.4%
Asian Alone	387,848	7.4%
Two Or More Races	98,661	1.88%
American Indian and Alaska Native Alone	39,196	0.75%
Native Hawaiian And Pacific Islander Alone	3,843	0.07%

Population By Ethnicity in Cook , IL in 2015

Ethnicity	Population	Percentage
White Alone - Non Hispanic	2,245,903	42.83%
Black or African American Alone - Non Hispanic	1,235,734	23.57%
White Alone - Hispanic	1,188,623	22.67%
Asian Alone - Non Hispanic	378,506	7.22%
Two Or More Races - Non Hispanic	74,004	1.41%
Black or African American Alone - Hispanic	43,563	0.83%
American Indian and Alaska Native Alone - Hispanic	32,686	0.62%
Two Or More Races - Hispanic	24,657	0.47%
Asian Alone - Hispanic	9,342	0.18%
American Indian and Alaska Native Alone - Non Hispanic	6,510	0.12%
Native Hawaiian And Pacific Islander Alone - Hispanic	2,842	0.05%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	1,001	0.02%