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 Carmi pop. 6,241
- Township of Carrier Mills pop. 2,291
- Township of Carrigan pop. 364
- Township of Carroll pop. 502
- Township of Carrollton pop. 2,851
- Township of Carson pop. 109
- Township of Carthage pop. 2,942
- Township of Cartwright pop. 1,505
- Township of Casey pop. 3,430
- Township of Caseyville pop. 35,257
- Township of Casner pop. 1,157
- Township of Cass pop. 536
- Township of Catlin pop. 3,074
- Township of Cave pop. 1,665
- Township of Cazenovia pop. 1,626
- Township of Cedar pop. 3,001
- Township of Central pop. 7,459
- Township of Centralia pop. 14,191
- Township of Centreville pop. 19,887
- Township of Cerro Gordo pop. 1,920
- Township of Chalmers pop. 690
- Township of Chambersburg pop. 136
- Township of Champaign pop. 11,215
- Township of Champaign City pop. 89,114
- Township of Chandlerville pop. 449
- Township of Channahon pop. 10,678
- Township of Charleston pop. 19,393
- Township of Charlotte pop. 154
- Township of Chatham pop. 8,403
- Township of Chatsworth pop. 1,322
- Township of Chebanse pop. 2,861
- Township of Chemung pop. 9,081
- Township of Cheneys Grove pop. 906
- Township of Chenoa pop. 1,936
- Township of Cherry Grove-Shannon pop. 1,687
- Township of Cherry Valley pop. 19,167
- Township of Chester pop. 635
- Township of Chesterfield pop. 707
- Township of Chestnut pop. 218
- Township of Chili pop. 609
- Township of Chillicothe pop. 8,150
- Township of Chouteau pop. 7,555
- Township of Christy pop. 3,152
- Township of Cincinnati pop. 8,801
- Township of Cincinnati pop. 24
- Township of Claremont pop. 851
- Township of Clarion pop. 398
- Township of Clarksburg pop. 360
- Township of Clay City pop. 1,119
- Township of Clayton pop. 632