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 Santa Fe pop. 1,190
- Township of Saratoga pop. 6,472
- Township of Saratoga pop. 239
- Township of Sargent pop. 249
- Township of Saunemin pop. 602
- Township of Savanna pop. 3,589
- Township of Scales Mound pop. 659
- Township of Schaumburg pop. 131,970
- Township of Sciota pop. 450
- Township of Scotland pop. 397
- Township of Scott pop. 975
- Township of Scott pop. 3,298
- Township of Scottville pop. 277
- Township of Sefton pop. 594
- Township of Selby pop. 2,124
- Township of Seminary pop. 506
- Township of Senachwine pop. 610
- Township of Seneca pop. 2,884
- Township of Serena pop. 1,118
- Township of Seven Hickory pop. 308
- Township of Seward pop. 6,716
- Township of Seward pop. 835
- Township of Shabbona pop. 1,346
- Township of Shafter pop. 483
- Township of Sharon pop. 2,310
- Township of Shawnee pop. 171
- Township of Shaws Point pop. 473
- Township of Shelbyville pop. 4,455
- Township of Sheldon pop. 1,215
- Township of Sheridan pop. 449
- Township of Sherman pop. 480
- Township of Shields pop. 36,889
- Township of Shiloh pop. 132
- Township of Shiloh pop. 6,556
- Township of Shiloh Valley pop. 12,861
- Township of Shipman pop. 1,289
- Township of Shirland pop. 956
- Township of Shoal Creek pop. 1,672
- Township of Sidell pop. 890
- Township of Sidney pop. 1,668
- Township of Sigel pop. 720
- Township of Silver Creek pop. 616
- Township of Six Mile pop. 3,488
- Township of Smallwood pop. 439
- Township of Smithton pop. 4,135
- Township of Somer pop. 897
- Township of Somerset pop. 3,956
- Township of Somonauk pop. 1,986
- Township of Songer pop. 346
- Township of Sonora pop. 440