Cook County
Large central metro
FIPS 17031
Profiled Cities (1)
People
5.19M
Population
Census 2025 Est.5497.4/sq mi
Density
Census 2025 Est.-1.3%
Growth 2020–25
Census 2020–2025$83K
Median HH Income
ACS 2024 5-yr38.0
Median Age
ACS 2024 5-yr88.6%
Bachelor's+
ACS 2024 5-yr13.5%
Poverty Rate
SAIPE 20248.9%
Uninsured
ACS 2024 5-yr57.7%
Owner-Occupied
ACS 2024 5-yr11.4%
Disability
ACS 2024 5-yr26.8%
Hispanic
ACS 2024 5-yr40.1%
Non-Hisp. White
ACS 2024 5-yr21.8%
Non-Hisp. Black
ACS 2024 5-yrMigration
IRS Statistics of Income county migration. Measures tax filer movement, not Census population counts.
120.4K
Inflow (people)
IRS SOI 2022–23162.7K
Outflow (people)
IRS SOI 2022–23-42,264
Net Migration
IRS SOI 2022–23Economy
5.4%
Unemployment
BLS LAUS 20252.76M
Labor Force
BLS LAUS 2025$80K
Per Capita Income
BEA 2024$546.4B
County GDP
BEA 2024134.5K
Business Establishments
CBP 20232.49M
Employees
CBP 2023$207.1B
Annual Payroll
CBP 2023Housing
$324K
Median Home Value
ACS 2024 5-yr$1K
Median Gross Rent
ACS 2024 5-yr335.8K
Owner HH w/ Housing Problems
ACS 2024 5-yr407.9K
Renter HH w/ Housing Problems
ACS 2024 5-yrYes
Housing Stress (USDA)
ACS 2024 5-yrHealth
80th pctile
Social Vulnerability
CDC SVI 202231.0%
Adult Obesity
CDC PLACES 202510.7%
Diabetes
CDC PLACES 202515.4%
Poor Mental Health
CDC PLACES 202511.2%
Current Smoking
CDC PLACES 202596.6/100K
Primary Care Physicians
HRSA AHRF 2024–253.3/1K
Hospital Beds
HRSA AHRF 2024–25592.1/1K bene
Medicare ER Visits
CMS 2023Environment & Risk
100.0
FEMA Risk Score
FEMA NRI Dec 2025Very High
Risk Rating
FEMA NRI Dec 2025Relatively High
Resilience Rating
FEMA NRI Dec 2025$2.4B
Expected Annual Loss
FEMA NRI Dec 20259.24
PM2.5 (EPA EJScreen)
EPA EJScreen 20240.37
Diesel PM
EPA EJScreen 20241.6%
EJ Demographic Index
EPA EJScreen 2024Broadband & Food Access
1.0%
Fixed Broadband 100/20 Mbps
FCC 20241.0%
Mobile 5G Coverage
FCC 20247.4%
Low Food Access (pop)
USDA FEA 20190.5%
No-Car Low Food Access (HH)
USDA FEA 2019Land & Climate
944.9 sq mi
Land Area
TIGER 202450.2°F
Avg Temp (1991–2020)
NOAA 1991–202059.3°F
Avg Max Temp
NOAA 1991–202041.0°F
Avg Min Temp
NOAA 1991–202038.3"
Annual Precip
NOAA 1991–2020County Character
Metro - Counties in metro areas of 1 million population or more
Rural-Urban Class (RUCC)
TIGER 2024Large central metro
NCHS Urban-Rural Class
TIGER 2024Not industry-dependent
Industry Dependence (USDA)
TIGER 2024None
Typology Flags
TIGER 2024