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 Grand Prairie pop. 893
- Township of Grand Rapids pop. 278
- Township of Grand Tower pop. 557
- Township of Grandview pop. 518
- Township of Grandville pop. 347
- Township of Granite City pop. 25,064
- Township of Grant pop. 28,010
- Township of Grant pop. 5,538
- Township of Granville pop. 2,737
- Township of Gray pop. 1,057
- Township of Green Garden pop. 3,866
- Township of Greenbush pop. 523
- Township of Greene pop. 447
- Township of Greene pop. 1,434
- Township of Greenfield pop. 1,003
- Township of Greenup pop. 2,243
- Township of Greenville pop. 343
- Township of Greenwood pop. 202
- Township of Greenwood pop. 14,167
- Township of Gridley pop. 1,846
- Township of Griggsville pop. 1,286
- Township of Grisham pop. 622
- Township of Grove pop. 595
- Township of Groveland pop. 559
- Township of Groveland pop. 18,597
- Township of Grover pop. 3,542
- Township of Guilford pop. 1,533
- Township of Hadley pop. 250
- Township of Hagener pop. 327
- Township of Hahnaman pop. 349
- Township of Haines pop. 863
- Township of Hale pop. 323
- Township of Hall pop. 8,299
- Township of Hallock pop. 1,555
- Township of Hamel pop. 2,785
- Township of Hamilton pop. 180
- Township of Hampshire pop. 9,013
- Township of Hampton pop. 21,557
- Township of Hancock pop. 248
- Township of Hanna pop. 2,387
- Township of Hanover pop. 1,195
- Township of Hanover pop. 97,879
- Township of Hardin pop. 194
- Township of Harlem pop. 38,895
- Township of Harlem pop. 1,988
- Township of Harmon pop. 345
- Township of Harmony pop. 302
- Township of Harp pop. 293
- Township of Harris pop. 310
- Township of Harrisburg pop. 9,897