U.S. County · Profile

Cook County

5.1MTotal Population
5,389Pop. Density (per sq mi)
-5.39%Growth Rate
Data as of 2023

Population

Cook County has a population of 5,087,072 as of 2023. It is located in Illinois.

Demographics

The following demographic data represents the racial and ethnic composition of Cook County based on the most recent Census Bureau estimates.

Race & Ethnicity

Hispanic or Latino (any race):25.9%

Race & Ethnicity Breakdown

Race/EthnicityPercentagePopulation
White49.4%2,513,014
Hispanic or Latino25.9%1,317,552
Black or African American22.8%1,159,852
Some Other Race10.5%534,143
Two or More Races9.0%457,836
Asian7.7%391,705
American Indian/Alaska Native0.6%30,522
Native Hawaiian/Pacific Islander0.0%0

Marital Status (Age 15+)

Economics & Income

Economic indicators and income statistics for Cook County based on American Community Survey 5-Year Estimates.

Median Household Income
$78,304
5.0% above national average
Per Capita Income
$45,646
19.1% above national average
Poverty Rate
13.4%
16.5% above national average
Median Age
37.5 years

Income & Poverty

$78,304Median Household Income
$45,646Per Capita Income
13.4%Poverty Rate
TypeMedian IncomeMean Income
Households$78,304$113,411
Families$97,520$137,033
Married-couple Families$97,520$109,222
Nonfamily Households$52,894$57,126

Sources

All data presented on this page is sourced from official U.S. government sources and is accurate as of 2023. Data is updated annually when new estimates become available.

1
U.S. Census Bureau - American Community Survey 5-Year Estimates

Population, demographics, income, poverty, and age data for Cook County, Illinois.

2
U.S. Census Bureau - Population Estimates Program

Annual population estimates for counties.

3
U.S. Census Bureau - Decennial Census

Official population counts and demographic data from the decennial census.

Data Methodology

The statistics shown are estimates from the American Community Survey (ACS) and Population Estimates Program. Margins of error apply but are not shown. For the most current and detailed data, please visit the U.S. Census Bureau website.

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