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 Bible Grove pop. 302
- Township of Big Grove pop. 1,652
- Township of Big Mound pop. 1,689
- Township of Big Rock pop. 1,763
- Township of Big Spring pop. 613
- Township of Biggsville pop. 544
- Township of Bird pop. 289
- Township of Birmingham pop. 135
- Township of Bishop pop. 1,688
- Township of Blackberry pop. 17,352
- Township of Blackhawk pop. 9,426
- Township of Blair pop. 608
- Township of Blandinsville pop. 738
- Township of Blissville pop. 373
- Township of Bloom pop. 84,167
- Township of Bloomingdale pop. 110,868
- Township of Bloomington pop. 2,591
- Township of Bloomington City pop. 78,283
- Township of Blount pop. 3,233
- Township of Blue Mound pop. 794
- Township of Blue Mound pop. 383
- Township of Blue Ridge pop. 1,395
- Township of Bluff Springs pop. 863
- Township of Bluffdale pop. 440
- Township of Bois D Arc pop. 921
- Township of Bolo pop. 397
- Township of Bond pop. 574
- Township of Bonpas pop. 417
- Township of Bonus pop. 4,356
- Township of Boone pop. 2,017
- Township of Bourbon pop. 4,104
- Township of Bourbonnais pop. 39,397
- Township of Bowdre pop. 627
- Township of Bowlesville pop. 146
- Township of Bowling pop. 3,330
- Township of Bowling Green pop. 437
- Township of Boynton pop. 227
- Township of Braceville pop. 6,504
- Township of Bradford pop. 259
- Township of Bradley pop. 1,887
- Township of Breese pop. 5,519
- Township of Bremen pop. 104,849
- Township of Brenton pop. 862
- Township of Bridgeport pop. 2,276
- Township of Brighton pop. 3,863
- Township of Brimfield pop. 1,163
- Township of Bristol pop. 32,936
- Township of Broadwell pop. 3,640
- Township of Brookfield pop. 1,058
- Township of Brooklyn pop. 149