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 Herscher pop. 1,478
- Village of Hettick pop. 145
- Village of Heyworth pop. 2,761
- Village of Hidalgo pop. 110
- Village of Hillcrest pop. 1,216
- Village of Hillsdale pop. 413
- Village of Hillside pop. 8,142
- Village of Hillview pop. 91
- Village of Hinckley pop. 1,991
- Village of Hindsboro pop. 277
- Village of Hinsdale pop. 17,273
- Village of Hodgkins pop. 1,472
- Village of Hoffman pop. 431
- Village of Hoffman Estates pop. 51,350
- Village of Holiday Hills pop. 617
- Village of Hollowayville pop. 38
- Village of Homer pop. 1,049
- Village of Homer Glen pop. 24,516
- Village of Homewood pop. 19,001
- Village of Hooppole pop. 179
- Village of Hopedale pop. 813
- Village of Hopewell pop. 416
- Village of Hopkins Park pop. 575
- Village of Hoyleton pop. 509
- Village of Hudson pop. 1,735
- Village of Huey pop. 159
- Village of Hull pop. 384
- Village of Hume pop. 319
- Village of Huntley pop. 28,008
- Village of Hutsonville pop. 481
- Village of Illiopolis pop. 831
- Village of Ina pop. 1,893
- Village of Indian Creek pop. 534
- Village of Indian Head Park pop. 4,008
- Village of Indianola pop. 225
- Village of Industry pop. 383
- Village of Inverness pop. 7,449
- Village of Iola pop. 100
- Village of Ipava pop. 427
- Village of Iroquois pop. 130
- Village of Irving pop. 370
- Village of Irvington pop. 578
- Village of Irwin pop. 66
- Village of Island Lake pop. 8,027
- Village of Itasca pop. 9,430
- Village of Iuka pop. 504
- Village of Ivesdale pop. 260
- Village of Jeffersonville pop. 352
- Village of Jeisyville pop. 106
- Village of Jerome pop. 1,670
Townships 1,425
- Township of Independence pop. 1,153
- Township of Indian Creek pop. 2,180
- Township of Indian Grove pop. 4,109
- Township of Indian Point pop. 1,421
- Township of Indian Prairie pop. 678
- Township of Indiantown pop. 591
- Township of Industry pop. 568
- Township of Irishtown pop. 1,027
- Township of Iroquois pop. 547
- Township of Irving pop. 873
- Township of Irvington pop. 1,166
- Township of Isabel pop. 171
- Township of Island Grove pop. 568
- Township of Iuka pop. 1,019
- Township of Jackson pop. 3,876
- Township of Jackson pop. 1,226
- Township of Jamaica pop. 182
- Township of Jarvis pop. 16,025
- Township of Jasper pop. 1,729
- Township of Jefferson pop. 245
- Township of Jersey pop. 9,923
- Township of Johannisburg pop. 505
- Township of Johnson pop. 751
- Township of Johnson pop. 373
- Township of Joliet pop. 85,116
- Township of Jonathan Creek pop. 1,027
- Township of Jordan pop. 850
- Township of Joshua pop. 422
- Township of Jubilee pop. 1,747
- Township of Kane pop. 758
- Township of Kaneville pop. 1,144
- Township of Kankakee pop. 24,320
- Township of Kansas pop. 866
- Township of Kansas pop. 445
- Township of Kaskaskia pop. 557
- Township of Keene pop. 597
- Township of Keith pop. 380
- Township of Keithsburg pop. 642
- Township of Kelly pop. 365
- Township of Kendall pop. 8,942
- Township of Kent pop. 632
- Township of Kerr pop. 151
- Township of Kerton pop. 82
- Township of Kewanee pop. 9,685
- Township of Kickapoo pop. 8,250
- Township of Kilbourne pop. 468
- Township of Kinderhook pop. 725
- Township of King pop. 215
- Township of Kingston pop. 3,456
- Township of Kinkaid pop. 452