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 North Muddy pop. 772
- Township of North Okaw pop. 992
- Township of North Otter pop. 764
- Township of North Palmyra pop. 809
- Township of Northeast pop. 833
- Township of Northern pop. 445
- Township of Northfield pop. 89,863
- Township of Northville pop. 7,297
- Township of Norton pop. 914
- Township of Norwood Park pop. 26,878
- Township of Nunda pop. 38,401
- Township of O Fallon pop. 26,336
- Township of Oak Park pop. 53,224
- Township of Oakdale pop. 546
- Township of Oakland pop. 133
- Township of Oakley pop. 952
- Township of Oakwood pop. 3,125
- Township of Oblong pop. 2,757
- Township of Oconee pop. 781
- Township of Odell pop. 1,183
- Township of Odin pop. 1,564
- Township of Ogden pop. 1,516
- Township of Ohio pop. 816
- Township of Ohio Grove pop. 271
- Township of Okaw pop. 886
- Township of Okawville pop. 1,945
- Township of Old Ripley pop. 859
- Township of Old Town pop. 3,387
- Township of Olio pop. 4,683
- Township of Olive pop. 1,705
- Township of Olney pop. 9,972
- Township of Omaha pop. 423
- Township of Omega pop. 445
- Township of Omphghent pop. 2,448
- Township of Onarga pop. 1,599
- Township of Oneco pop. 1,268
- Township of Ontario pop. 901
- Township of Ophir pop. 437
- Township of Oquawka pop. 1,650
- Township of Ora pop. 506
- Township of Oran pop. 305
- Township of Orange pop. 255
- Township of Orange pop. 521
- Township of Orchard pop. 627
- Township of Oregon-Nashua pop. 4,776
- Township of Orel pop. 1,342
- Township of Orion pop. 1,114
- Township of Orland pop. 96,470
- Township of Orvil pop. 959
- Township of Osage pop. 242