Skip to main content

Illinois Demographics & Population 2026

As of 2026, Illinois has a total population of 12,692,653, with a median household income of $81,702, which is 4% higher the national average. The poverty rate is 11.7%.

Illinois Quick Facts

Population 12,692,653
Median Household Income $81,702
Median Home Value $250,500
Poverty Rate 11.7%
Unemployment Rate 5.8%
Median Age 38.9 years
Homeownership Rate 66.8%
Affordability Ratio 3.1x
Bachelor's Degree+ 37.2%
High School Graduation 90.3%
Counties 102
Cities/Places 1,445
Population 12,692,653
Median Income $81,702 4% higher national
Poverty Rate 11.7%
Unemployment 5.8%

Economy & Housing

Employment

5.8% Unemployment Rate State: 5.8% | National: 5.2%
65.1% Labor Force Participation

Housing Overview

Owner 66.8%
Renter 33.2%
Affordability Index Affordable
3.1x home value to income ratio

People & Demographics

Diversity Index

60out of 100
High Diversity

A diverse community with significant representation from multiple racial and ethnic groups.

State average: 60 | National average: 60

Education

Largest Cities in Illinois

#CityPopulationMedian IncomePoverty
1Chicago city2,707,648$75,13416.8%
2Aurora city179,867$90,1099.8%
3Joliet city149,785$88,02611.0%
4Naperville city149,424$150,9374.4%
5Rockford city147,649$53,32821.9%
6Elgin city114,106$88,31610.4%
7Springfield city113,714$65,53716.5%
8Peoria city112,126$58,71620.0%
9Waukegan city88,919$70,57815.3%
10Champaign city88,822$57,54423.9%

Richest Cities in Illinois

#CityMedian IncomeHome ValueBachelor's+
1Hinsdale village$250,001$999,10081.3%
2Winnetka village$250,001$1,206,30087.3%
3Glencoe village$250,001$1,354,90088.2%
4Kildeer village$250,001$697,90078.9%
5Kenilworth village$250,001$1,409,80091.9%
6Riverwoods village$243,036$796,10076.4%
7Hawthorn Woods village$238,114$592,80076.3%
8Long Grove village$235,368$746,70073.8%
9Lake Forest city$228,120$909,80080.8%
10Western Springs village$218,839$691,30082.0%

Most Affordable Cities in Illinois

By home-value-to-income ratio (lower = more affordable). Min. population 1,000.

#CityRatioHome ValueIncome
1Hodgkins village0.6x$39,200$63,056
2Cairo city0.8x$28,200$35,493
3Central City village0.9x$43,900$47,750
4Washington Park village1.0x$43,200$42,008
5Royalton village1.0x$51,900$49,625
6De Pue village1.1x$63,600$56,176
7Martinsville city1.1x$73,600$65,000
8Carrier Mills village1.1x$57,300$50,269
9Bridgeport city1.1x$57,500$50,284
10Washburn village1.1x$90,700$79,306

Explore Illinois Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

All Counties in Illinois (102)

102 results
City ↕Population ↓Median Income ↕Poverty ↕Home Value ↕
Cook County5,185,812$81,79713.3%$305,200
DuPage County927,263$110,5026.4%$374,100
Lake County711,885$108,9178.1%$326,600
Will County698,450$107,7997.0%$298,000
Kane County516,097$100,6788.3%$303,000
McHenry County311,366$102,8366.1%$286,900
Winnebago County283,289$64,36316.0%$155,100
Madison County264,631$74,80011.3%$167,900
St. Clair County254,777$70,17813.6%$168,800
Champaign County206,098$63,09118.0%$205,100
Sangamon County195,217$74,11412.9%$170,300
Peoria County179,831$64,93815.4%$152,600
McLean County170,882$78,32913.0%$198,300
Rock Island County142,995$66,76815.4%$144,700
Kendall County135,053$110,4744.9%$298,900
Tazewell County130,555$76,7048.7%$164,500
LaSalle County109,049$72,28113.5%$154,900
Kankakee County106,833$68,32512.6%$185,700
Macon County102,591$62,44914.6%$121,800
DeKalb County100,512$69,02215.9%$231,900
Vermilion County73,179$54,53717.2%$92,900
Williamson County66,902$65,52114.3%$145,600
Adams County65,166$64,96212.3%$155,900
Whiteside County55,192$64,53612.1%$125,800
Boone County53,316$81,63810.5%$198,600
Page 1 of 5

All Cities & Places in Illinois (1,445)

1445 results
City ↕Population ↓Median Income ↕Poverty ↕Home Value ↕
Chicago city2,707,648$75,13416.8%$315,200
Aurora city179,867$90,1099.8%$260,400
Joliet city149,785$88,02611.0%$248,600
Naperville city149,424$150,9374.4%$509,900
Rockford city147,649$53,32821.9%$120,900
Elgin city114,106$88,31610.4%$252,400
Springfield city113,714$65,53716.5%$155,200
Peoria city112,126$58,71620.0%$149,500
Waukegan city88,919$70,57815.3%$177,600
Champaign city88,822$57,54423.9%$199,700
Cicero town83,223$68,54813.1%$236,000
Bloomington city78,703$75,44911.2%$198,800
Schaumburg village76,780$94,6906.0%$312,200
Evanston city76,552$95,76611.9%$472,300
Arlington Heights village76,220$118,5326.3%$403,200
Bolingbrook village73,813$107,5528.2%$295,500
Decatur city70,368$50,80919.1%$97,300
Palatine village66,548$95,95010.1%$347,900
Skokie village66,427$93,5509.6%$368,600
Des Plaines city59,408$94,3035.8%$318,200
Orland Park village57,961$98,9796.6%$349,400
Oak Lawn village57,098$82,4939.2%$267,900
Berwyn city55,888$75,23510.8%$286,000
Mount Prospect village55,648$103,9115.9%$377,000
Tinley Park village55,007$103,8195.2%$289,000
Page 1 of 58

Download Illinois Data

Free CSV downloads of Illinois demographic data — no account or payment required.

📊
Cities Data (CSV) All cities: population, income, housing, race, education
📋
Counties Data (CSV) All counties: population, income, housing, race, education

Population Overview

Illinois has a total population of 12,692,653, making it one of the most populous state in the nation. The median age is 38.9 years, about average the national median of 38.7 years.

Age Demographics

The median age in Illinois is 38.9 years. This is about average than the state median of 38.7 years.

Economy, Income & Housing

The median household income in Illinois is $81,702. This is 4% higher than the state median of $78,538. Compared to the national median of $78,538, household income here is 4% higher. The poverty rate stands at 11.7%. This is 6% lower than the state poverty rate of 12.4%. The unemployment rate is 5.8%. This is 12% higher than the state rate of 5.2%. The median home value is $250,500. Housing costs are 17% lower than the state median of $303,400. The home-value-to-income ratio is 3.1x. 66.8% of occupied housing units are owner-occupied. This homeownership rate is 3% higher than the state average of 65.0%.

Race & Ethnicity

The largest racial or ethnic group in Illinois is White (non-Hispanic), making up 58.8% of the population. Hispanic or Latino residents account for 18.5%.

Education

37.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 6% higher than the state rate of 35.0%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 90.3%.

Frequently Asked Questions

What is the population of Illinois?

Illinois has a total population of 12,692,653 according to the U.S. Census ACS 5-Year Estimates.

What is the median income in Illinois?

The median household income in Illinois is $81,702, which is 4% higher the national median of $78,538.

How many cities are in Illinois?

Illinois has 1,445 Census-designated places (cities, towns, and CDPs) and 102 counties.

What is the poverty rate in Illinois?

The poverty rate in Illinois is 11.7%, compared to the national average of 12.4%.

What is the largest city in Illinois?

The largest city in Illinois is Chicago city with a population of 2,707,648.