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 Dahlgren pop. 1,133
- Township of Dakota pop. 797
- Township of Dale pop. 1,218
- Township of Dallas City pop. 862
- Township of Danforth pop. 890
- Township of Danvers pop. 1,845
- Township of Danville pop. 27,048
- Township of Darwin pop. 332
- Township of Dawson pop. 549
- Township of Dayton pop. 2,425
- Township of De Soto pop. 2,270
- Township of Decatur pop. 47,075
- Township of Decker pop. 414
- Township of Deer Creek pop. 1,403
- Township of Deer Park pop. 475
- Township of Deerfield pop. 243
- Township of Degognia pop. 145
- Township of Dekalb pop. 42,912
- Township of Delavan pop. 1,927
- Township of Dement pop. 946
- Township of Denison pop. 1,331
- Township of Denning pop. 4,709
- Township of Denver pop. 405
- Township of Derinda pop. 283
- Township of Derry pop. 212
- Township of Detroit pop. 243
- Township of Dewitt pop. 419
- Township of Dillon pop. 941
- Township of Dimmick pop. 744
- Township of Divernon pop. 1,420
- Township of Dix pop. 614
- Township of Dixon pop. 17,467
- Township of Dodds pop. 2,693
- Township of Dolson pop. 360
- Township of Dora pop. 702
- Township of Dorchester pop. 1,486
- Township of Dorr pop. 21,601
- Township of Douglas pop. 2,034
- Township of Douglas pop. 129
- Township of Douglas pop. 12,572
- Township of Dover pop. 493
- Township of Downers Grove pop. 148,387
- Township of Downs pop. 1,281
- Township of Drummer pop. 4,027
- Township of Drury pop. 746
- Township of Dry Grove pop. 1,517
- Township of Dry Point pop. 950
- Township of Du Bois pop. 644
- Township of Duncan pop. 259
- Township of Dundee pop. 64,329