Illinois
2,821 jurisdictions across counties, municipalities, and townships.
Counties 102
Municipalities 1,294
- Village of Northfield pop. 5,634
- Village of Norwood pop. 430
- Village of Oak Brook pop. 8,086
- Village of Oak Grove pop. 470
- Village of Oak Lawn pop. 57,013
- Village of Oak Park pop. 53,224
- Village of Oakdale pop. 196
- Village of Oakford pop. 232
- Village of Oakwood pop. 1,307
- Village of Oakwood Hills pop. 2,078
- Village of Oblong pop. 1,367
- Village of Oconee pop. 139
- Village of Odell pop. 989
- Village of Odin pop. 913
- Village of Ogden pop. 721
- Village of Ohio pop. 463
- Village of Ohlman pop. 110
- Village of Okawville pop. 1,362
- Village of Old Mill Creek pop. 164
- Village of Old Ripley pop. 87
- Village of Old Shawneetown pop. 114
- Village of Olmsted pop. 286
- Village of Olympia Fields pop. 4,654
- Village of Omaha pop. 212
- Village of Onarga pop. 1,319
- Village of Oquawka pop. 1,120
- Village of Orangeville pop. 756
- Village of Oreana pop. 866
- Village of Orion pop. 1,741
- Village of Orland Hills pop. 6,725
- Village of Orland Park pop. 57,850
- Village of Oswego pop. 35,316
- Village of Owaneco pop. 218
- Village of Palatine pop. 66,321
- Village of Palestine pop. 1,223
- Village of Palmer pop. 222
- Village of Palmyra pop. 599
- Village of Palos Park pop. 4,871
- Village of Panama pop. 338
- Village of Panola pop. 44
- Village of Papineau pop. 134
- Village of Park Forest pop. 21,261
- Village of Parkersburg pop. 186
- Village of Patoka pop. 523
- Village of Paw Paw pop. 818
- Village of Pawnee pop. 2,715
- Village of Payson pop. 1,007
- Village of Pearl pop. 103
- Village of Pearl City pop. 779
- Village of Pecatonica pop. 2,059
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