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 Mount Sterling pop. 4,440
- Township of Mount Vernon pop. 12,397
- Township of Mount Zion pop. 7,085
- Township of Mountain pop. 357
- Township of Moweaqua pop. 1,898
- Township of Mulberry Grove pop. 1,193
- Township of Munson pop. 352
- Township of Murdock pop. 229
- Township of Murphysboro pop. 9,367
- Township of Na-Au-Say pop. 10,931
- Township of Nachusa pop. 445
- Township of Nameoki pop. 12,101
- Township of Naperville pop. 104,042
- Township of Nashville pop. 3,440
- Township of Nauvoo pop. 935
- Township of Nebraska pop. 1,287
- Township of Nelson pop. 757
- Township of Neoga pop. 2,748
- Township of Neponset pop. 644
- Township of Nettle Creek pop. 472
- Township of Nevada pop. 176
- Township of New Athens pop. 2,497
- Township of New Berlin pop. 1,567
- Township of New Boston pop. 1,169
- Township of New Douglas pop. 527
- Township of New Haven pop. 441
- Township of New Lenox pop. 43,891
- Township of New Salem pop. 335
- Township of New Salem pop. 493
- Township of New Trier pop. 56,180
- Township of Newburg pop. 955
- Township of Newcomb pop. 1,342
- Township of Newell pop. 13,670
- Township of Newman pop. 993
- Township of Newmansville pop. 63
- Township of Newport pop. 6,792
- Township of Newton pop. 427
- Township of Newtown pop. 666
- Township of Niantic pop. 735
- Township of Niles pop. 110,131
- Township of Nilwood pop. 572
- Township of Nixon pop. 484
- Township of Noble pop. 1,431
- Township of Nokomis pop. 2,759
- Township of Nora pop. 341
- Township of Normal pop. 52,879
- Township of Norman pop. 324
- Township of North Fork pop. 373
- Township of North Henderson pop. 386
- Township of North Litchfield pop. 4,906