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 Brooklyn pop. 149
- Township of Brookside pop. 4,523
- Township of Brookville pop. 238
- Township of Broughton pop. 296
- Township of Brouilletts Creek pop. 191
- Township of Brown pop. 2,064
- Township of Browning pop. 363
- Township of Browning pop. 2,379
- Township of Bruce pop. 11,817
- Township of Brushy pop. 963
- Township of Brushy Mound pop. 656
- Township of Buck pop. 236
- Township of Buckeye pop. 1,180
- Township of Buckhart pop. 1,831
- Township of Buckheart pop. 1,284
- Township of Buckhorn pop. 81
- Township of Buena Vista pop. 1,796
- Township of Buffalo pop. 2,651
- Township of Buffalo Hart pop. 172
- Township of Buffalo Prairie pop. 702
- Township of Bunker Hill pop. 3,126
- Township of Bureau pop. 246
- Township of Burgess pop. 2,289
- Township of Burlington pop. 1,792
- Township of Burns pop. 237
- Township of Burnt Prairie pop. 322
- Township of Burritt pop. 1,086
- Township of Burton pop. 901
- Township of Burton pop. 4,892
- Township of Bushnell pop. 2,845
- Township of Butler pop. 868
- Township of Butler Grove pop. 737
- Township of Button pop. 238
- Township of Byron pop. 6,415
- Township of Cahokia pop. 3,152
- Township of Caledonia pop. 7,259
- Township of Calumet pop. 18,138
- Township of Camargo pop. 3,513
- Township of Cambridge pop. 2,408
- Township of Camden pop. 182
- Township of Camp Point pop. 1,628
- Township of Campton pop. 17,010
- Township of Canoe Creek pop. 588
- Township of Canteen pop. 7,888
- Township of Canton pop. 14,360
- Township of Capital pop. 111,563
- Township of Carbondale pop. 24,534
- Township of Carlinville pop. 6,359
- Township of Carlyle pop. 3,800
- Township of Carman pop. 238