Population of Cities in Illinois (2019)

1
Over 1 Million
7
100,000 to 1 Million
212
10,000 to 100,000

Illinois is the sixth most populous state in the U.S. with a population that is quickly approaching 13 million people. Surprisingly, this reflects negative growth between estimates from 2016 and 2017. Chicago is the most populous city in the state, posting an estimated 2.7 million people per 2017 estimates. This far exceeds the population of the second most populated city, Aurora, which has just over 200,000 people according to estimates. There are 1,299 incorporated municipalities in Illinois, which includes cities, towns and villages. There is a total of 102 counties within the state.

Of the incorporated cities, the least populous is Nason, located in Jefferson County. Nason has a population of just 236 people. There are multiple municipalities within the state that have a population of less than 1,000, including Orient in Franklin County, Creal Springs in Williamson County and Grand Tower in Jackson County. The state has a total of seven cities with populations that exceed 100,000, and 192 cities with populations between 10,000 and 100,000 people.

Illinois has 1 cities with more than a million people, 7 cities with between 100,000 and 1 million people, and 212 cities with between 10,000 and 100,000 people. The largest city in Illinois is Chicago, with a population of 2,679,044 people.

Chicago

Chicago is the most populous city in Illinois and is also the 3rd most populous in the entire country.

2,679,044

Aurora

As one of the first cities in the U.S. to have electric street lights, Aurora is nicknamed the City of Lights.

202,709

Rockford

Rockford was founded in 1834, and its original name was Midway.

145,338

Joliet

Joliet was named after the French-Canadian explorer Louis Jolliet.

149,645

Naperville

Naperville has been ranked as one of the wealthiest cities in the U.S., as well as one of the safest.

147,905

Springfield

Springfield was originally settled in the 1810s and was home to Abrhama Lincoln from 1837 through 1861.

113,471

Peoria

This city is the oldest European settlement in the state of Illinois.

111,706

Elgin

Elgin is known for being a hub of innovation and education.

112,843

Waukegan

87,678

Champaign

Champaigns is home to the University of Illinois at Urbana-Champaign, Parkland College, and companies like Sony, Dow Chemical and IBM.

89,622

Name 2019 Population
Chicago2,679,044
Aurora202,709
Joliet149,645
Naperville147,905
Rockford145,338
Springfield113,471
Elgin112,843
Peoria111,706
Champaign89,622
Waukegan87,678
Cicero80,961
Bloomington77,606
Bolingbrook75,382
Arlington Heights74,961
Schaumburg74,281
Evanston73,530
Decatur70,843
Palatine67,698
Skokie62,932
Orland Park60,032
Des Plaines56,923
Tinley Park56,048
Oak Lawn55,114
Normal54,360
Berwyn54,338
Mount Prospect53,067
Wheaton52,693
Hoffman Estates50,952
Oak Park50,640
Downers Grove48,966
Elmhurst47,932
Glenview47,904
Plainfield44,280
Lombard44,280
DeKalb42,909
Urbana41,786
Moline41,092
Buffalo Grove41,046
Belleville40,697
Bartlett40,422
Quincy39,913
Romeoville39,763
Crystal Lake39,763
Carol Stream39,436
Streamwood39,371
Wheeling39,296
Carpentersville37,880
Hanover Park37,306
Rock Island37,112
Park Ridge37,013
Oswego36,200
Addison36,191
Calumet City35,904
Woodridge33,998
Glendale Heights33,470
Northbrook33,007
St. Charles32,627
Pekin32,522
Algonquin32,309
Elk Grove Village32,274
Mundelein31,373
Gurnee30,747
Danville30,547
Galesburg30,060
North Chicago29,744
Highland Park29,461
Chicago Heights29,342
O'Fallon29,139
Niles29,056
Granite City28,515
Lake in the Hills28,509
Burbank28,394
Glen Ellyn27,733
Round Lake Beach27,548
New Lenox27,543
Huntley27,541
Lansing27,471
East St. Louis27,330
Oak Forest27,240
Wilmette26,952
West Chicago26,705
McHenry26,689
Vernon Hills26,496
Alton26,477
Batavia26,235
Carbondale25,852
Kankakee25,755
Lockport25,459
Edwardsville25,119
Belvidere25,004
Woodstock24,989
Melrose Park24,974
Homer Glen24,778
Westmont24,395
Harvey24,374
Collinsville24,314
Elmwood Park24,176
Freeport24,071
Zion23,807
Rolling Meadows23,700
Loves Park23,254
Maywood23,177
Blue Island22,840
Lisle22,828
Morton Grove22,822
South Elgin22,775
Machesney Park22,597
East Peoria22,561
Roselle22,487
Dolton22,390
Geneva22,237
Bloomingdale21,721
Darien21,701
Villa Park21,441
Park Forest21,362
South Holland21,352
Crest Hill21,091
Charleston20,932
Grayslake20,687
Mokena20,649
East Moline20,529
Libertyville20,354
Yorkville20,027
Lake Zurich20,009
Montgomery20,003
Frankfort19,517
Lake Forest19,406
Evergreen Park19,190
Deerfield19,012
Matteson18,956
Homewood18,782
Alsip18,762
Bellwood18,702
Brookfield18,339
Bourbonnais18,322
Sycamore18,242
Round Lake18,234
Jacksonville18,213
Bensenville18,211
Ottawa18,019
Marion17,820
Macomb17,791
Mattoon17,758
Hinsdale17,724
Franklin Park17,705
Godfrey17,694
Shorewood17,665
Cary17,615
North Aurora17,483
Washington17,445
Lemont17,444
Palos Hills17,098
Country Club Hills16,298
Fairview Heights16,269
Morton16,257
Westchester16,203
Prospect Heights15,924
Bridgeview15,897
La Grange15,391
Mount Vernon15,242
Bradley15,138
Morris14,934
Dixon14,919
Sterling14,557
Midlothian14,381
Lindenhurst14,264
Norridge14,243
Antioch14,175
Chicago Ridge13,948
Lincoln13,927
Beach Park13,904
Cahokia13,834
Canton13,776
Hickory Hills13,710
Forest Park13,661
Wauconda13,647
Western Springs13,643
Hazel Crest13,598
Wood Dale13,579
Swansea13,365
Richton Park13,287
La Grange Park13,210
Warrenville13,108
Riverdale13,089
Glen Carbon13,032
Herrin13,031
Shiloh12,984
Streator12,857
Effingham12,823
Chatham12,807
Northlake12,724
Channahon12,648
Justice12,574
Rantoul12,452
Centralia12,320
Markham12,319
Winnetka12,318
Lincolnwood12,269
Kewanee12,248
Palos Heights12,204