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 Metamora pop. 4,509
- Township of Middlefork pop. 1,328
- Township of Middleport pop. 3,692
- Township of Milan pop. 314
- Township of Milford pop. 1,471
- Township of Milks Grove pop. 162
- Township of Mill Shoals pop. 625
- Township of Millbrook pop. 402
- Township of Miller pop. 584
- Township of Millersburg pop. 618
- Township of Mills pop. 495
- Township of Millstadt pop. 6,675
- Township of Milo pop. 189
- Township of Milton pop. 118,756
- Township of Mineral pop. 441
- Township of Minonk pop. 2,101
- Township of Mission pop. 4,274
- Township of Mississippi pop. 1,761
- Township of Missouri pop. 137
- Township of Moccasin pop. 494
- Township of Moline pop. 22,585
- Township of Momence pop. 3,549
- Township of Mona pop. 261
- Township of Monee pop. 15,437
- Township of Money Creek pop. 1,050
- Township of Monmouth pop. 9,799
- Township of Monroe pop. 1,436
- Township of Montebello pop. 3,301
- Township of Montezuma pop. 445
- Township of Montgomery pop. 637
- Township of Montgomery pop. 2,441
- Township of Monticello pop. 6,123
- Township of Montmorency pop. 2,432
- Township of Moores Prairie pop. 356
- Township of Moraine pop. 34,228
- Township of Morgan pop. 296
- Township of Moro pop. 3,510
- Township of Morris pop. 7,198
- Township of Morton pop. 17,768
- Township of Mosquito pop. 352
- Township of Mound pop. 235
- Township of Mound pop. 3,519
- Township of Mount Auburn pop. 941
- Township of Mount Carroll pop. 2,035
- Township of Mount Erie pop. 334
- Township of Mount Hope pop. 979
- Township of Mount Morris pop. 3,679
- Township of Mount Olive pop. 3,089
- Township of Mount Pleasant pop. 4,756
- Township of Mount Pulaski pop. 2,027