State · IL
Illinois
1294 cities · 0 regions · 102 counties · 2,541 officials
- Cities
- 1294
- Regions
- 0
- Counties
- 102
- Officials
- 2,541
- Population
- 11,096,576
Source
Data for Illinois is compiled from Illinois Blue Book incorporated places + Census estimates. City and official pages link to the exact source record where the source publishes one; otherwise they link to this dataset.
Browse Illinois
Largest cities
| City | State | Population | Counties |
|---|---|---|---|
| Chicago | IL | 2,721,308 | Cook, DuPage |
| Aurora | IL | 180,710 | DuPage, Kane, Kendall, Will |
| Naperville | IL | 153,124 | DuPage, Will |
| Joliet | IL | 151,837 | Kendall, Will |
| Rockford | IL | 147,486 | Ogle, Winnebago |
| Elgin | IL | 114,701 | Cook, Kane |
| Springfield | IL | 112,949 | Sangamon |
| Peoria | IL | 111,696 | Peoria |
| Champaign | IL | 91,961 | Champaign |
| Waukegan | IL | 88,570 | Lake |
| Cicero | IL | 82,090 | Cook |
| Bloomington | IL | 79,232 | McLean |
| Schaumburg | IL | 77,099 | Cook, DuPage |
| Evanston | IL | 76,006 | Cook |
| Arlington Heights | IL | 75,596 | Cook, Lake |
| Bolingbrook | IL | 74,756 | DuPage, Will |
| Decatur | IL | 68,763 | Macon |
| Palatine | IL | 65,951 | Cook |
| Skokie | IL | 65,850 | Cook |
| Des Plaines | IL | 58,832 | Cook |