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 Auburn pop. 233
- Township of Audubon pop. 504
- Township of Augusta pop. 701
- Township of Aurora pop. 126,586
- Township of Austin pop. 228
- Township of Aux Sable pop. 15,537
- Township of Avena pop. 1,977
- Township of Avoca pop. 406
- Township of Avon pop. 63,363
- Township of Ayers pop. 419
- Township of Bainbridge pop. 584
- Township of Bald Bluff pop. 221
- Township of Bald Hill pop. 792
- Township of Ball pop. 7,519
- Township of Banner pop. 318
- Township of Banner pop. 446
- Township of Barnett pop. 364
- Township of Barnhill pop. 627
- Township of Barr pop. 309
- Township of Barren pop. 536
- Township of Barrington pop. 16,262
- Township of Barry pop. 1,597
- Township of Batavia pop. 35,357
- Township of Bath pop. 730
- Township of Bear Creek pop. 511
- Township of Bear Creek pop. 317
- Township of Bear Grove pop. 551
- Township of Beardstown pop. 6,611
- Township of Beaucoup pop. 566
- Township of Beaver pop. 470
- Township of Beaver Creek pop. 255
- Township of Beaverville pop. 507
- Township of Bedford pop. 980
- Township of Bell Plain pop. 314
- Township of Belle Prairie pop. 131
- Township of Bellflower pop. 534
- Township of Belmont pop. 2,424
- Township of Belvidere pop. 29,230
- Township of Bement pop. 1,631
- Township of Bennington pop. 1,570
- Township of Benton pop. 18,957
- Township of Benton pop. 8,714
- Township of Berlin pop. 664
- Township of Bernadotte pop. 247
- Township of Berreman pop. 147
- Township of Berry pop. 342
- Township of Berwick pop. 301
- Township of Berwyn pop. 55,772
- Township of Bethel pop. 293
- Township of Beverly pop. 347