Illinois

Illinois has a population of 12,710,158 across 102 counties, a median home price of $298,871, and a median household income of $83,211.

Home price

$298,871

Income

$83,211

Cost of living

94.7

Income tax

4.95%

Housing

Home values, rent, property taxes, insurance and how local prices relate to local incomes.

Median home price$298,871

Median gross rent$1,292

Median year homes here were built1970

Share of homes built before 198063.5%

Share of homes that are manufactured or mobile2.3%

Share of homes that are vacant7.7%

Share of occupied homes that are rented33.0%

Share of homes held for seasonal or occasional use0.8%

Typical monthly rent$2,014

HUD fair market rent, 2-bed$1,557

HUD fair market rent, 1-bed$1,344

HUD fair market rent, 3-bed$2,010

Home insurance / yr$2,643

Money

Household earnings and buying power. Adjusted income restates local income using the statewide cost-of-living index.

Cost of living94.7

Median household income$83,211

Family health premium / yr$24,993

Infant childcare / yr$16,107

Regular gas price / gal$4.250

Poverty rate11.6%

Jobs

What people here do for work, who they work for, whether they work from home, and how much of the local economy sits in one industry.

Workers who work from home13.6%

Unemployment rate5.1%

Share of adults in the labor force65.0%

Share of workers who are self-employed4.7%

Share of workers employed by government13.3%

Share of workers in the largest industry23.6%

Economic output per resident$90,439

Taxes

State tax rules that can affect take-home pay, investments and everyday purchases.

Property tax rate1.88%

Top state income tax4.95%

Capital gains tax4.95%

Combined sales tax8.98%

Transportation

Distance to air travel and how people get around locally. Distances are straight-line from the county's population-weighted centre, so driving is further.

Mean commute time28.3 min

Miles to nearest airport with airline service15 mi

Passengers boarding at the nearest airline airport13122745

Miles to nearest general aviation field12 mi

Airports with airline service located here12

General aviation airfields located here87

Passenger train stations and the railway network30

Miles to the nearest passenger rail station12 mi

Households without a vehicle11.4%

Traffic deaths22.1

Change in traffic deaths per 100,000-1.4

Schools

Public schools and colleges counted where they actually sit, plus the education level of adults who live here. Students per teacher is a staffing measure, not a quality ranking.

Adults 25+ with a bachelor's degree or higher39.2%

Adults 25+ with a high school diploma or higher90.7%

Public schools in the county3829

Public school enrollment1842881

Students per full-time teacher13.8

Free lunch eligible54.7%

Elementary schools2293

Middle schools719

High schools673

Institutions granting bachelor's degrees or above97

Two-year institutions59

Miles to the nearest bachelor's-granting institution6.6 mi

Health

Primary care physicians79

Medicare-certified hospitals in this county194

Hospitals here with an emergency department175

Average CMS star rating of hospitals here3

Fine particulate matter9.7 µg

Without health insurance6.9%

Adults who were food insecure in the past year15.9%

Adults who received food assistance in the past year13.8%

Frequent mental distress15.4%

No leisure-time physical activity22.3%

Diagnosed diabetes11.8%

Place

Who lives here and what the place is like: population, age, migration, safety and civic profile.

Population12,710,158

Land area in square miles55,510

People per square mile of land229.0

Supermarkets and grocery stores2,607

Convenience stores807

Share living far from a food store14.4%

Share living in a low-income, low-access tract5.0%

Population change since 2020-0.8%

Natural change per 1,000 residents1

Net international migration per 1,000 residents4

Median age39.4 yrs

Share of residents under 1821.9%

Share of residents 65 and over17.0%

Share of households that are one person31.3%

Share of residents born outside the United States14.7%

Second languages24.1%

Share of residents on a religious body’s rolls50.8%

Congregations per 100,000 residents95

Net domestic migration per 1,000 residents-3

Households that moved in257,693

Households that moved away287,273

Average income of arriving households$77,916

Average income of departing households$91,318

Homes authorised per 1,000 existing homes3

Housing units authorised in the latest year18,551

Share of permitted homes in multifamily buildings41.4%

Violent crime rate289

Weather

Measured annual temperature, precipitation and snowfall. These are climate facts, not a ranking.

Avg. annual temperature52°F

Annual precipitation30.8 in

Annual snowfall25.4 in

Average daily solar energy3.93 kWh/m²

Days reaching 90°F23 days

Days at or below freezing109 days

Gardening

Plant hardiness zoneZone 6a

Frost-free days186 days

Utilities

Average monthly electric bill$134

Electric utilities serving this county2

Electricity price per kWh18.7¢

Household electricity use719 kWh

Residential natural gas price$15.00

Homes heated by electricity18.6%

Homes heated by utility gas75.3%

Homes heated by propane4.2%

Homes heated by fuel oil0.1%

Homes heated by wood0.3%

Households with broadband92.9%

Risk

Relative exposure to air pollution and natural hazards. Higher values indicate more measured risk, not a prediction.

Riverine flood risk90.0

Coastal flood risk19.6

Drought risk45.7

Landslide risk56.1

Hail risk82.9

Earthquake risk89.4

Tornado risk92.5

Tropical cyclone risk35.3

Extreme heat risk90.3

Winter weather risk84.2

Strong wind risk87.9

Wildfire risk37.3

Sports

Major pro teams based here5

NFL teams based here1

NBA teams based here1

MLB teams based here2

NHL teams based here1

MLS soccer teams based here1

Top-division college football teams3

Second-tier college football teams5

Affiliated minor league baseball teams1

AHL teams based here2

ECHL teams based here1

All 102 counties in Illinois

Largest first. Each has its own page with full data.

Cook$324,500 DuPage$391,400 Lake$345,700 Will$319,600 Kane$327,000 McHenry$308,100 Winnebago$164,500 Madison$173,000 St. Clair$180,300 Champaign$211,500 Sangamon$176,300 Peoria$158,500 McLean$208,400 Rock Island$150,400 Kendall$322,400 Tazewell$167,500 LaSalle$161,900 Kankakee$192,600 Macon$127,300 DeKalb$243,600 Vermilion$97,200 Williamson$156,400 Adams$162,600 Whiteside$127,100 Boone$216,900 Grundy$271,700 Jackson$137,300 Ogle$189,200 Knox$111,900 Henry$151,600 Coles$127,400 Macoupin$138,200 Stephenson$134,900 Woodford$197,600 Franklin$89,000 Marion$103,000 Clinton$192,400 Jefferson$126,000 Livingston$142,200 Monroe$282,100 Effingham$189,500 Lee$154,600 Christian$115,500 Morgan$130,800 Fulton$107,200 Bureau$126,900 Randolph$135,100 Montgomery$112,300 Logan$134,400 McDonough$107,500 Iroquois$137,800 Saline$94,300 Jo Daviess$209,900 Fayette$130,700 Jersey$171,900 Shelby$137,100 Perry$112,600 Douglas$150,400 Crawford$121,100 Hancock$113,800 Union$131,700 Bond$145,700 Piatt$180,600 Edgar$97,300 Warren$105,000 Wayne$110,700 Richland$112,000 Carroll$114,500 Mercer$146,700 De Witt$130,300 Clark$132,400 Lawrence$99,100 Pike$101,400 Moultrie$134,000 Massac$121,900 Washington$155,700 White$108,100 Ford$122,000 Johnson$160,500 Clay$97,400 Cass$97,100 Mason$103,400 Menard$185,500 Greene$95,200 Marshall$142,800 Wabash$104,900 Cumberland$126,000 Jasper$125,500 Hamilton$113,700 Schuyler$109,700 Brown$150,300 Henderson$104,400 Edwards$100,000 Putnam$172,700 Stark$104,500 Pulaski$85,100 Scott$96,400 Alexander$59,800 Gallatin$82,900 Calhoun$190,900 Pope$143,800 Hardin$103,800

Every figure here is sourced and dated — see methodology.