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 Galesburg pop. 29,712
- City of Galva pop. 2,456
- City of Geneseo pop. 6,512
- City of Geneva pop. 21,247
- City of Genoa pop. 5,300
- City of Georgetown pop. 3,092
- City of Gibson City pop. 3,476
- City of Gillespie pop. 3,166
- City of Gilman pop. 1,731
- City of Girard pop. 1,765
- City of Golconda pop. 648
- City of Grafton pop. 685
- City of Grand Tower pop. 474
- City of Granite City pop. 27,484
- City of Grayville pop. 1,528
- City of Greenfield pop. 1,035
- City of Greenville pop. 6,507
- City of Griggsville pop. 1,085
- City of Hamilton pop. 2,724
- City of Harrisburg pop. 8,129
- City of Harvard pop. 9,459
- City of Harvey pop. 19,871
- City of Havana pop. 2,905
- City of Henry pop. 2,315
- City of Herrin pop. 12,253
- City of Hickory Hills pop. 14,182
- City of Highland pop. 10,044
- City of Highland Park pop. 30,177
- City of Highwood pop. 5,374
- City of Hillsboro pop. 5,874
- City of Hometown pop. 4,240
- City of Hoopeston pop. 4,836
- City of Hurst pop. 757
- City of Jacksonville pop. 17,816
- City of Jerseyville pop. 8,289
- City of Johnston City pop. 3,349
- City of Joliet pop. 150,372
- City of Jonesboro pop. 1,703
- City of Kankakee pop. 23,922
- City of Keithsburg pop. 545
- City of Kewanee pop. 12,361
- City of Kinmundy pop. 731
- City of Knoxville pop. 2,852
- City of La Harpe pop. 1,163
- City of La Salle pop. 9,499
- City of Lacon pop. 1,862
- City of Lake Forest pop. 19,253
- City of Lanark pop. 1,598
- City of Lawrenceville pop. 4,195
- City of Le Roy pop. 3,459
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