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
- City of North Chicago pop. 30,029
- City of Northlake pop. 12,664
- City of O Fallon pop. 32,292
- City of Oak Forest pop. 26,793
- City of Oakbrook Terrace pop. 2,725
- City of Oakland pop. 732
- City of Oglesby pop. 3,660
- City of Olney pop. 8,692
- City of Oneida pop. 684
- City of Oregon pop. 3,592
- City of Orient pop. 323
- City of Ottawa pop. 18,749
- City of Palos Heights pop. 11,819
- City of Palos Hills pop. 18,117
- City of Pana pop. 5,262
- City of Paris pop. 8,140
- City of Park City pop. 7,867
- City of Park Ridge pop. 38,810
- City of Paxton pop. 4,459
- City of Pekin pop. 31,448
- City of Peoria pop. 111,666
- City of Peru pop. 9,842
- City of Petersburg pop. 2,231
- City of Pinckneyville pop. 5,198
- City of Pittsfield pop. 4,193
- City of Plano pop. 12,191
- City of Polo pop. 2,262
- City of Pontiac pop. 11,359
- City of Princeton pop. 7,716
- City of Prophetstown pop. 1,929
- City of Prospect Heights pop. 15,691
- City of Quincy pop. 39,131
- City of Red Bud pop. 3,684
- City of Robinson pop. 7,187
- City of Rochelle pop. 9,367
- City of Rock Falls pop. 8,724
- City of Rock Island pop. 36,636
- City of Rockford pop. 147,711
- City of Rolling Meadows pop. 23,781
- City of Roodhouse pop. 1,545
- City of Rosiclare pop. 966
- City of Rushville pop. 3,026
- City of Salem pop. 7,187
- City of Sandwich pop. 7,178
- City of Savanna pop. 2,909
- City of Sesser pop. 1,865
- City of Shawneetown pop. 1,054
- City of Shelbyville pop. 4,609
- City of Silvis pop. 7,952
- City of South Beloit pop. 7,932
Townships 1,425
- Township of Stonington pop. 1,034
- Township of Stookey pop. 9,123
- Township of Stratton pop. 451
- Township of Stronghurst pop. 1,060
- Township of Sublette pop. 683
- Township of Suez pop. 598
- Township of Sugar Creek pop. 6,622
- Township of Sugar Grove pop. 20,903
- Township of Sugar Loaf pop. 6,859
- Township of Sullivan pop. 6,284
- Township of Sullivan pop. 642
- Township of Sullivan pop. 469
- Township of Summit pop. 3,744
- Township of Sumner pop. 808
- Township of Sumner pop. 485
- Township of Sumpter pop. 2,007
- Township of Sunbury pop. 219
- Township of Swan pop. 236
- Township of Sycamore pop. 14,679
- Township of Symmes pop. 964
- Township of Talkington pop. 161
- Township of Tamalco pop. 544
- Township of Tampico pop. 991
- Township of Tate pop. 283
- Township of Taylor pop. 922
- Township of Taylorville pop. 11,822
- Township of Tennessee pop. 298
- Township of Terre Haute pop. 216
- Township of Teutopolis pop. 2,752
- Township of Texas pop. 1,243
- Township of Thompson pop. 838
- Township of Thornton pop. 154,231
- Township of Timber pop. 2,247
- Township of Todds Point pop. 467
- Township of Tolono pop. 6,207
- Township of Tompkins pop. 870
- Township of Tonti pop. 1,012
- Township of Toulon pop. 2,145
- Township of Towanda pop. 1,977
- Township of Tower Hill pop. 961
- Township of Tremont pop. 2,668
- Township of Trivoli pop. 992
- Township of Troy pop. 49,550
- Township of Troy Grove pop. 1,273
- Township of Truro pop. 843
- Township of Tunbridge pop. 723
- Township of Tuscola pop. 5,451
- Township of Twigg pop. 486
- Township of Tyrone pop. 4,639
- Township of Union pop. 856