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 Lebanon pop. 4,569
- City of Leland Grove pop. 1,429
- City of Lewistown pop. 1,982
- City of Lexington pop. 2,068
- City of Lincoln pop. 13,058
- City of Litchfield pop. 6,726
- City of Lockport pop. 26,118
- City of Loves Park pop. 23,293
- City of Macomb pop. 15,052
- City of Macon pop. 1,144
- City of Madison pop. 3,129
- City of Marengo pop. 7,572
- City of Marion pop. 16,742
- City of Markham pop. 11,399
- City of Maroa pop. 1,549
- City of Marquette Heights pop. 2,523
- City of Marseilles pop. 4,804
- City of Marshall pop. 3,892
- City of Martinsville pop. 1,104
- City of Mascoutah pop. 8,676
- City of Mason City pop. 2,035
- City of Mattoon pop. 16,805
- City of Mchenry pop. 27,372
- City of Mcleansboro pop. 2,612
- City of Mendota pop. 6,982
- City of Metropolis pop. 5,903
- City of Minonk pop. 1,907
- City of Moline pop. 42,418
- City of Momence pop. 3,057
- City of Monmouth pop. 8,778
- City of Monticello pop. 5,931
- City of Morris pop. 14,359
- City of Morrison pop. 4,046
- City of Mound City pop. 524
- City of Mounds pop. 657
- City of Mount Carmel pop. 6,804
- City of Mount Carroll pop. 1,517
- City of Mount Olive pop. 1,989
- City of Mount Pulaski pop. 1,510
- City of Mount Sterling pop. 2,026
- City of Mount Vernon pop. 14,454
- City of Murphysboro pop. 7,023
- City of Naperville pop. 149,104
- City of Nashville pop. 3,057
- City of Nauvoo pop. 932
- City of Neoga pop. 1,375
- City of New Boston pop. 611
- City of Newman pop. 763
- City of Newton pop. 2,685
- City of Nokomis pop. 2,125
Townships 1,425
- Township of Carmi pop. 6,241
- Township of Carrier Mills pop. 2,291
- Township of Carrigan pop. 364
- Township of Carroll pop. 502
- Township of Carrollton pop. 2,851
- Township of Carson pop. 109
- Township of Carthage pop. 2,942
- Township of Cartwright pop. 1,505
- Township of Casey pop. 3,430
- Township of Caseyville pop. 35,257
- Township of Casner pop. 1,157
- Township of Cass pop. 536
- Township of Catlin pop. 3,074
- Township of Cave pop. 1,665
- Township of Cazenovia pop. 1,626
- Township of Cedar pop. 3,001
- Township of Central pop. 7,459
- Township of Centralia pop. 14,191
- Township of Centreville pop. 19,887
- Township of Cerro Gordo pop. 1,920
- Township of Chalmers pop. 690
- Township of Chambersburg pop. 136
- Township of Champaign pop. 11,215
- Township of Champaign City pop. 89,114
- Township of Chandlerville pop. 449
- Township of Channahon pop. 10,678
- Township of Charleston pop. 19,393
- Township of Charlotte pop. 154
- Township of Chatham pop. 8,403
- Township of Chatsworth pop. 1,322
- Township of Chebanse pop. 2,861
- Township of Chemung pop. 9,081
- Township of Cheneys Grove pop. 906
- Township of Chenoa pop. 1,936
- Township of Cherry Grove-Shannon pop. 1,687
- Township of Cherry Valley pop. 19,167
- Township of Chester pop. 635
- Township of Chesterfield pop. 707
- Township of Chestnut pop. 218
- Township of Chili pop. 609
- Township of Chillicothe pop. 8,150
- Township of Chouteau pop. 7,555
- Township of Christy pop. 3,152
- Township of Cincinnati pop. 8,801
- Township of Cincinnati pop. 24
- Township of Claremont pop. 851
- Township of Clarion pop. 398
- Township of Clarksburg pop. 360
- Township of Clay City pop. 1,119
- Township of Clayton pop. 632