Illinois
2,821 jurisdictions across counties, municipalities, and townships.
Counties 102
Municipalities 1,294
- City of North Chicago pop. 30,029
- City of Northlake pop. 12,664
- City of O Fallon pop. 32,292
- City of Oak Forest pop. 26,793
- City of Oakbrook Terrace pop. 2,725
- City of Oakland pop. 732
- City of Oglesby pop. 3,660
- City of Olney pop. 8,692
- City of Oneida pop. 684
- City of Oregon pop. 3,592
- City of Orient pop. 323
- City of Ottawa pop. 18,749
- City of Palos Heights pop. 11,819
- City of Palos Hills pop. 18,117
- City of Pana pop. 5,262
- City of Paris pop. 8,140
- City of Park City pop. 7,867
- City of Park Ridge pop. 38,810
- City of Paxton pop. 4,459
- City of Pekin pop. 31,448
- City of Peoria pop. 111,666
- City of Peru pop. 9,842
- City of Petersburg pop. 2,231
- City of Pinckneyville pop. 5,198
- City of Pittsfield pop. 4,193
- City of Plano pop. 12,191
- City of Polo pop. 2,262
- City of Pontiac pop. 11,359
- City of Princeton pop. 7,716
- City of Prophetstown pop. 1,929
- City of Prospect Heights pop. 15,691
- City of Quincy pop. 39,131
- City of Red Bud pop. 3,684
- City of Robinson pop. 7,187
- City of Rochelle pop. 9,367
- City of Rock Falls pop. 8,724
- City of Rock Island pop. 36,636
- City of Rockford pop. 147,711
- City of Rolling Meadows pop. 23,781
- City of Roodhouse pop. 1,545
- City of Rosiclare pop. 966
- City of Rushville pop. 3,026
- City of Salem pop. 7,187
- City of Sandwich pop. 7,178
- City of Savanna pop. 2,909
- City of Sesser pop. 1,865
- City of Shawneetown pop. 1,054
- City of Shelbyville pop. 4,609
- City of Silvis pop. 7,952
- City of South Beloit pop. 7,932
Townships 1,425
- Township of Clayton pop. 632
- Township of Clear Lake pop. 8,310
- Township of Clement pop. 448
- Township of Clinton pop. 1,797
- Township of Clintonia pop. 7,267
- Township of Clover pop. 840
- Township of Clyde pop. 412
- Township of Coal Valley pop. 4,413
- Township of Coe pop. 1,759
- Township of Colchester pop. 1,513
- Township of Cold Spring pop. 323
- Township of Coldbrook pop. 426
- Township of Colfax pop. 232
- Township of Collinsville pop. 35,627
- Township of Coloma pop. 10,508
- Township of Colona pop. 6,680
- Township of Columbus pop. 562
- Township of Compromise pop. 1,287
- Township of Concord pop. 290
- Township of Concord pop. 371
- Township of Concord pop. 1,435
- Township of Condit pop. 470
- Township of Cooper pop. 873
- Township of Cooperstown pop. 272
- Township of Copley pop. 389
- Township of Coral pop. 3,623
- Township of Cordova pop. 849
- Township of Cornwall pop. 257
- Township of Cortland pop. 11,204
- Township of Corwin pop. 590
- Township of Cottage pop. 221
- Township of Cotton Hill pop. 979
- Township of Cottonwood pop. 480
- Township of Council Hill pop. 134
- Township of Covington pop. 379
- Township of Crane Creek pop. 147
- Township of Creek pop. 475
- Township of Crescent pop. 531
- Township of Crete pop. 23,601
- Township of Crittenden pop. 328
- Township of Crook pop. 286
- Township of Crooked Creek pop. 367
- Township of Crooked Creek pop. 674
- Township of Cropsey pop. 192
- Township of Crouch pop. 382
- Township of Cruger pop. 1,842
- Township of Cuba pop. 17,222
- Township of Cunningham pop. 38,681
- Township of Curran pop. 1,549
- Township of Custer pop. 1,352