Category
page 1Cities in Illinois
Chicago
Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States. Located on the western shore of Lake Michigan, it is the third-most populous city in the United States, with a population of 2.74 million at the 2020 census. The Chicago metropolitan area has 9.41 million residents and is the third-largest metropolitan area in the country. Chicago is the seat of Cook County, the second-most populous county in the U.S.
Springfield
capital city of Illinois and county seat of Sangamon County
Rockford
county seat of Winnebago County, Illinois, United States
Peoria
county seat of Peoria County, Illinois, United States
Naperville
city in DuPage and Will counties in Illinois, United States
Aurora
city on tripoints of DuPage, Kane, Kendall and Will Counties in Illinois, United States
Evanston
suburban city in Cook County, Illinois, United States
Joliet
city in Illinois, United States
Elgin
city in Cook and Kane counties in the northern part of the U.S. state of Illinois
Urbana
town in and county seat of Champaign County, Illinois, United States
Champaign
city in Champaign County, Illinois, United States
DeKalb
city in De Kalb County, Illinois, United States
Waukegan
county seat of Lake County, Illinois, United States
East St. Louis
city in St. Clair County, Illinois, United States
Bloomington
city and the county seat of McLean County, Illinois, United States
Decatur
city in Macon County, Illinois, United States
Kankakee
city in Kankakee County, Illinois, United States
Nauvoo
city and historic district in Hancock County, Illinois, United States
Highland Park
city in Lake County, Illinois, United States
Alton
city in Madison County, Illinois, United States
Des Plaines
city in Cook County, Illinois, United States
Galesburg
county seat of Knox County, Illinois, United States
Rock Island
city in and the county seat of Rock Island County, Illinois, United States
Belleville
city in and seat of St. Clair County, Illinois, United States
Quincy
county seat of Adams County, Illinois, United States
Carbondale
city in Jackson County, Illinois, United States
Cairo
city in Illinois, United States
Dixon
city and county seat of Lee County, Illinois, United States
Moline
city in Rock Island County, Illinois, United States
Danville
city in and the county seat of Vermilion County, Illinois, United States
Charleston
city in and the county seat of Coles County, Illinois, United States
Park Ridge
city in Cook County, Illinois, United States
Freeport
city and county seat and largest city of Stephenson County, Illinois, United States
Ottawa
city in Illinois, United States
Lake Forest
city in Lake County, Illinois, United States
Chicago Heights
city in Cook County, Illinois, United States
Paris
city in Illinois
Jacksonville
city in Morgan County, Illinois, United States
Lincoln
city in Illinois, United States
Wheaton
city and county seat of DuPage County, Illinois, United States
Edwardsville
city in Madison County, Illinois, United States
Elmhurst
city in Illinois, United States
Marion
city in and the county seat of Williamson County, Illinois, United States
Salem
city in Illinois, United States
Granite City
city in Madison County, Illinois, United States
Galena
county seat of Jo Daviess County, Illinois
Harrisburg
county seat of Saline County, Illinois, United States
Belvidere
city in Illinois, United States
Berwyn
city in Cook County, Illinois, United States
Woodstock
city in McHenry County, Illinois, United States
Effingham
city in Illinois, United States
Centralia
city in Clinton, Jefferson, Marion, and Washington counties in Illinois, United States
Pontiac
city in Illinois, USA
Harvey
city in Cook County, Illinois, United States
Mount Vernon
city located near the center of Jefferson County, Illinois, United States
Carthage
city in and county seat of Hancock County, Illinois, United States
Monticello
city in Piatt County, Illinois, United States
Carlinville
city in Illinois, United States
Metropolis
city in Illinois, United States
Blue Island
city in Cook County, Illinois, United States