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 Rio pop. 206
- Village of Ripley pop. 51
- Village of River Forest pop. 11,597
- Village of River Grove pop. 10,531
- Village of Riverdale pop. 10,397
- Village of Riverside pop. 9,061
- Village of Riverton pop. 3,497
- Village of Riverwoods pop. 3,765
- Village of Roanoke pop. 1,937
- Village of Robbins pop. 4,627
- Village of Roberts pop. 343
- Village of Rochester pop. 3,840
- Village of Rock City pop. 289
- Village of Rockbridge pop. 174
- Village of Rockdale pop. 1,990
- Village of Rockton pop. 7,781
- Village of Rockwood pop. 32
- Village of Romeoville pop. 40,469
- Village of Roscoe pop. 10,871
- Village of Rose Hill pop. 84
- Village of Roselle pop. 22,660
- Village of Rosemont pop. 3,855
- Village of Roseville pop. 873
- Village of Rossville pop. 1,203
- Village of Round Lake pop. 18,625
- Village of Round Lake Beach pop. 27,081
- Village of Round Lake Heights pop. 2,604
- Village of Round Lake Park pop. 7,688
- Village of Roxana pop. 1,452
- Village of Royal pop. 286
- Village of Royal Lakes pop. 167
- Village of Royalton pop. 1,049
- Village of Ruma pop. 307
- Village of Russellville pop. 93
- Village of Rutland pop. 255
- Village of Sadorus pop. 392
- Village of Sailor Springs pop. 90
- Village of Sammons Point pop. 207
- Village of San Jose pop. 467
- Village of Sandoval pop. 1,152
- Village of Sauget pop. 136
- Village of Sauk Village pop. 9,698
- Village of Saunemin pop. 398
- Village of Savoy pop. 8,823
- Village of Sawyerville pop. 265
- Village of Saybrook pop. 645
- Village of Scales Mound pop. 435
- Village of Schaumburg pop. 77,082
- Village of Schiller Park pop. 11,424
- Village of Schram City pop. 559
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