Illinois
2,821 jurisdictions across counties, municipalities, and townships.
Counties 102
- Adams County pop. 64,954
- Alexander County pop. 5,030
- Bond County pop. 16,596
- Boone County pop. 53,159
- Brown County pop. 6,421
- Bureau County pop. 32,883
- Calhoun County pop. 4,369
- Carroll County pop. 15,698
- Cass County pop. 12,773
- Champaign County pop. 205,943
- Christian County pop. 33,662
- Clark County pop. 15,300
- Clay County pop. 13,143
- Clinton County pop. 36,793
- Coles County pop. 46,765
- Cook County pop. 5,173,146
- Crawford County pop. 18,659
- Cumberland County pop. 10,345
- De Witt County pop. 15,341
- Dekalb County pop. 100,414
- Douglas County pop. 19,722
- Dupage County pop. 924,885
- Edgar County pop. 16,520
- Edwards County pop. 6,075
- Effingham County pop. 34,430
- Fayette County pop. 21,384
- Ford County pop. 13,511
- Franklin County pop. 37,442
- Fulton County pop. 33,197
- Gallatin County pop. 4,903
- Greene County pop. 11,843
- Grundy County pop. 52,989
- Hamilton County pop. 7,911
- Hancock County pop. 17,400
- Hardin County pop. 3,650
- Henderson County pop. 6,312
- Henry County pop. 48,907
- Iroquois County pop. 26,827
- Jackson County pop. 52,565
- Jasper County pop. 9,193
- Jefferson County pop. 36,877
- Jersey County pop. 21,333
- Jo Daviess County pop. 21,939
- Johnson County pop. 13,463
- Kane County pop. 515,588
- Kankakee County pop. 106,601
- Kendall County pop. 134,867
- Knox County pop. 49,268
- Lake County pop. 711,239
- Lasalle County pop. 108,965
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 Harrison pop. 603
- Township of Harristown pop. 1,718
- Township of Harter pop. 6,077
- Township of Hartland pop. 1,878
- Township of Harvel pop. 190
- Township of Harwood pop. 628
- Township of Havana pop. 4,320
- Township of Haw Creek pop. 351
- Township of Hawthorne pop. 258
- Township of Hebron pop. 2,342
- Township of Helvetia pop. 8,323
- Township of Henderson pop. 1,126
- Township of Hennepin pop. 1,221
- Township of Henry pop. 2,553
- Township of Hensley pop. 1,019
- Township of Heralds Prairie pop. 627
- Township of Herrick pop. 537
- Township of Hickory pop. 104
- Township of Hickory Hill pop. 376
- Township of Hickory Point pop. 18,052
- Township of Highland pop. 262
- Township of Hillsboro pop. 6,540
- Township of Hillyard pop. 579
- Township of Hire pop. 198
- Township of Hittle pop. 555
- Township of Holland pop. 387
- Township of Hollis pop. 1,798
- Township of Homer pop. 40,737
- Township of Honey Creek pop. 713
- Township of Honey Creek pop. 1,455
- Township of Honey Point pop. 168
- Township of Hoosier pop. 314
- Township of Hope pop. 577
- Township of Hopedale pop. 1,821
- Township of Hopewell pop. 495
- Township of Hopkins pop. 1,998
- Township of Houston pop. 210
- Township of Hoyleton pop. 1,035
- Township of Hudson pop. 2,469
- Township of Humboldt pop. 1,203
- Township of Hume pop. 359
- Township of Hunt City pop. 258
- Township of Hunter pop. 247
- Township of Huntsville pop. 137
- Township of Hurlbut pop. 308
- Township of Hurricane pop. 226
- Township of Hutsonville pop. 1,001
- Township of Hutton pop. 772
- Township of Illini pop. 1,310
- Township of Illiopolis pop. 1,200