Population of Cities in Illinois (2019)

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.

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

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