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Cook County, IL&

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0.66% decline
Median Age
Median Household Income
5.62% growth
Poverty Rate
Number of Employees
1.3% growth
Median Property Value
1.52% growth

About the photo: Seen from an open window on the 92nd floor of the John Hancock Center in Chicago.


The economy of Cook County, IL employs 2.55M people. The economy of Cook County, IL is specialized in Transportation & Warehousing; Management of Companies & Enterprises; and Professional, Scientific, Tech Services, which employ respectively 1.64; 1.46; and 1.26 times more people than what would be expected in a location of this size. The largest industries in Cook County, IL are Healthcare & Social Assistance (347,685), Retail trade (243,796), and Professional, Scientific, Tech Services (243,684), and the highest paying industries are Management of Companies & Enterprises ($73,288), Utilities ($70,552), and Professional, Scientific, Tech Services ($63,256).

Median household income in Cook County, IL is $60,046. Males in Cook County, IL have an average income that is 1.36 times higher than the average income of females, which is $52,320. The income inequality of Cook County, IL (measured using the Gini index) is 0.488 which is higher than the national average.


Median Household Income

Wage by Gender in Common Jobs

Wage by Race & Ethnicity in Common Jobs

Wage Distribution

Income by Location

Poverty by Age and Gender

Poverty by Race & Ethnicity


Employment by Occupations

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Employment by Industries

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Health & Safety

Insurance and Medicare coverage combined with state and county level health and safety statistics for Cook County, IL. In Cook County, IL the age groups most likely to have health care coverage are 6-17 and 25-34, men and women, respectively. The location has a 1 to 94 primary care clinician to patient ratio and a Medicare reimbursement average per patient per year of $10,353. St. Clair County, IL has the highest prevalence of homicides of any county in Illinois.


Clinician to Patient Rates

Insurance Coverage by Age and Gender

Medicare Enrollment and Reimbursements by Location

Trends in Medicare Enrollment and Reimbursements

Hospital Care for Medicare Patients

Heart Disease and Pneumonia

Diabetes Care

Preventative Women’s Health Services

Health Risks

Opioid Use

Conditions and Diseases

Risky/Harmful Behaviors

Homicide & Crime


Cook County, IL is home to a population of 5.2M people, from which 89.4% are citizens. The ethnic composition of the population of Cook County, IL is composed of 2.2M White residents (42.3%), 1.32M Hispanic residents (25.3%), 1.21M Black residents (23.3%), 367,920 Asian residents (7.07%), and 86,652 Two+ residents (1.67%). The most common foreign languages in Cook County, IL are Spanish (1.01M speakers), Polish (138,938 speakers), and Chinese (61,828 speakers), but compared to other places, Cook County, IL has a relative high number of Polish (138,938 speakers), Other (14,377 speakers), and Serbo-Croatian (23,204 speakers).


Age by Nativity


Global Diversity


Race & Ethnicity

Non-English Speakers




In 2015 universities in Cook County, IL awarded 96,415 degrees. The student population of Cook County, IL is skewed towards females, with 41,483 male students and 54,932 female students. Most students in Cook County, IL are White (42,416 and 44%), followed by Black or African American (16,126 and 16.7%), Hispanic or Latino (14,495 and 15%), and Asian (7,356 and 7.63%). The largest universities in Cook County, IL by number of graduates are Northwestern University (9,543 and 9.9%), University of Illinois at Chicago (7,070 and 7.33%), and DePaul University (6,531 and 6.77%). The most popular majors in Cook County, IL are General Business Administration & Management (2,490 and 2.58%), General Psychology (1,876 and 1.95%), and General Biological Sciences (1,362 and 1.41%). The median tuition costs in Cook County, IL are $40,052 for private four year colleges, and $11,696 and $21,982 respectively, for public four year colleges for in-state students and out-of-state students.



Student Gender for Common Institutions

Student Race & Ethnicity

Housing & Living

The median property value in Cook County, IL is $234,400, which is 1.14 times larger than the national average of $205,000. Between 2015 and 2016 the median property value increased from $230,900 to $234,400, a 1.52% increase. The homeownership rate of Cook County, IL is 56%, which is lower than the national average of 63.1%. People in Cook County, IL have an average commute time of 31.7 minutes, and they commute by Drove Alone. Car ownership in Cook County, IL is approximately the same as the national average, with an average of 2 cars per household.


Household Income


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Property Taxes

Rent vs Own


Car Ownership

Commute Time

Commuter Transportation

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Chicago-Naperville-Elgin, IL-IN-WI Metro Area
metropolitan statistical area
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