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 Philadelphia pop. 195
- Township of Phillips pop. 1,111
- Township of Philo pop. 1,858
- Township of Piasa pop. 3,120
- Township of Pickaway pop. 153
- Township of Pierce pop. 435
- Township of Pigeon Grove pop. 1,115
- Township of Pike pop. 215
- Township of Pilot pop. 528
- Township of Pilot pop. 1,929
- Township of Pilot Grove pop. 245
- Township of Pilot Knob pop. 513
- Township of Pin Oak pop. 4,541
- Township of Pine Creek pop. 705
- Township of Pine Rock pop. 941
- Township of Pitman pop. 400
- Township of Pittsfield pop. 4,029
- Township of Pixley pop. 535
- Township of Plainfield pop. 82,572
- Township of Plato pop. 9,217
- Township of Pleasant pop. 699
- Township of Pleasant Grove pop. 1,202
- Township of Pleasant Hill pop. 1,203
- Township of Pleasant Mound pop. 947
- Township of Pleasant Ridge pop. 258
- Township of Pleasant Vale pop. 504
- Township of Pleasant Valley pop. 210
- Township of Pleasant View pop. 1,384
- Township of Plum Hill pop. 492
- Township of Point Pleasant pop. 132
- Township of Polk pop. 578
- Township of Pomona pop. 774
- Township of Pontiac pop. 12,546
- Township of Pontoosuc pop. 338
- Township of Pope pop. 229
- Township of Poplar Grove pop. 5,124
- Township of Port Byron pop. 1,370
- Township of Portland pop. 422
- Township of Prairie pop. 1,210
- Township of Prairie pop. 573
- Township of Prairie pop. 382
- Township of Prairie pop. 208
- Township of Prairie City pop. 509
- Township of Prairie Creek pop. 394
- Township of Prairie Du Long pop. 2,632
- Township of Prairie Green pop. 164
- Township of Prairieton pop. 423
- Township of Preemption pop. 1,665
- Township of Preston pop. 1,199
- Township of Princeton pop. 9,076