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 Auburn pop. 233
- Township of Audubon pop. 504
- Township of Augusta pop. 701
- Township of Aurora pop. 126,586
- Township of Austin pop. 228
- Township of Aux Sable pop. 15,537
- Township of Avena pop. 1,977
- Township of Avoca pop. 406
- Township of Avon pop. 63,363
- Township of Ayers pop. 419
- Township of Bainbridge pop. 584
- Township of Bald Bluff pop. 221
- Township of Bald Hill pop. 792
- Township of Ball pop. 7,519
- Township of Banner pop. 318
- Township of Banner pop. 446
- Township of Barnett pop. 364
- Township of Barnhill pop. 627
- Township of Barr pop. 309
- Township of Barren pop. 536
- Township of Barrington pop. 16,262
- Township of Barry pop. 1,597
- Township of Batavia pop. 35,357
- Township of Bath pop. 730
- Township of Bear Creek pop. 511
- Township of Bear Creek pop. 317
- Township of Bear Grove pop. 551
- Township of Beardstown pop. 6,611
- Township of Beaucoup pop. 566
- Township of Beaver pop. 470
- Township of Beaver Creek pop. 255
- Township of Beaverville pop. 507
- Township of Bedford pop. 980
- Township of Bell Plain pop. 314
- Township of Belle Prairie pop. 131
- Township of Bellflower pop. 534
- Township of Belmont pop. 2,424
- Township of Belvidere pop. 29,230
- Township of Bement pop. 1,631
- Township of Bennington pop. 1,570
- Township of Benton pop. 18,957
- Township of Benton pop. 8,714
- Township of Berlin pop. 664
- Township of Bernadotte pop. 247
- Township of Berreman pop. 147
- Township of Berry pop. 342
- Township of Berwick pop. 301
- Township of Berwyn pop. 55,772
- Township of Bethel pop. 293
- Township of Beverly pop. 347