Illinois
Illinois contains 1,400 populated places. Browse the directory below to explore individual cities and towns.
About Illinois
Illinois extends through a recognisable area of the United States, encompassing 1,400 populated places listed in this directory. The region presents populated places ranging from small villages to major urban areas, each with its own character shaped by geography, history, and local economy.
Residents and visitors moving between communities within Illinois draw on the region's transport networks. The directory pages for each city below link onward to facts and context for that specific place — population (where recorded), coordinates, postal codes, and a short narrative drawn from the underlying open geographic datasets.
Use the paginated list to browse the full set of 1,400 places in Illinois, or jump to the related-regions list to explore nearby parts of the United States.
Cities and towns (page 1 of 28)
- Chicago (2,746,388)
- Aurora (180,542)
- Joliet (150,362)
- Naperville (149,540)
- Rockford (148,655)
- Elgin (114,797)
- Springfield (114,394)
- Peoria (113,150)
- North Peoria (113,004)
- Waukegan (89,321)
- Champaign (88,302)
- Cicero (85,268)
- Schaumburg (78,723)
- Bloomington (78,680)
- Evanston (78,110)
- Arlington Heights (77,676)
- Bolingbrook (73,922)
- Decatur (70,522)
- Palatine (67,908)
- Skokie (67,824)
- Des Plaines (60,675)
- Orland Park (58,703)
- Oak Lawn (58,362)
- Berwyn (57,250)
- Mount Prospect (56,852)
- Tinley Park (55,971)
- Oak Park (54,583)
- Wheaton (53,970)
- Normal (52,736)
- Hoffman Estates (52,530)
- Downers Grove (50,247)
- Glenview (48,705)
- Elmhurst (45,786)
- Plainfield (44,762)
- Lombard (44,476)
- Buffalo Grove (43,212)
- Moline (42,985)
- Belleville (42,404)
- Bartlett (41,105)
- DeKalb (40,290)
- Crystal Lake (40,269)
- Romeoville (39,863)
- Carol Stream (39,854)
- Park Ridge (39,656)
- Streamwood (39,577)
- Quincy (39,463)
- Wheeling (39,137)
- Urbana (38,336)
- Carpentersville (37,983)
- Hanover Park (37,470)