Illinois
2,821 jurisdictions across counties, municipalities, and townships.
Counties 102
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 Dahlgren pop. 1,133
- Township of Dakota pop. 797
- Township of Dale pop. 1,218
- Township of Dallas City pop. 862
- Township of Danforth pop. 890
- Township of Danvers pop. 1,845
- Township of Danville pop. 27,048
- Township of Darwin pop. 332
- Township of Dawson pop. 549
- Township of Dayton pop. 2,425
- Township of De Soto pop. 2,270
- Township of Decatur pop. 47,075
- Township of Decker pop. 414
- Township of Deer Creek pop. 1,403
- Township of Deer Park pop. 475
- Township of Deerfield pop. 243
- Township of Degognia pop. 145
- Township of Dekalb pop. 42,912
- Township of Delavan pop. 1,927
- Township of Dement pop. 946
- Township of Denison pop. 1,331
- Township of Denning pop. 4,709
- Township of Denver pop. 405
- Township of Derinda pop. 283
- Township of Derry pop. 212
- Township of Detroit pop. 243
- Township of Dewitt pop. 419
- Township of Dillon pop. 941
- Township of Dimmick pop. 744
- Township of Divernon pop. 1,420
- Township of Dix pop. 614
- Township of Dixon pop. 17,467
- Township of Dodds pop. 2,693
- Township of Dolson pop. 360
- Township of Dora pop. 702
- Township of Dorchester pop. 1,486
- Township of Dorr pop. 21,601
- Township of Douglas pop. 2,034
- Township of Douglas pop. 129
- Township of Douglas pop. 12,572
- Township of Dover pop. 493
- Township of Downers Grove pop. 148,387
- Township of Downs pop. 1,281
- Township of Drummer pop. 4,027
- Township of Drury pop. 746
- Township of Dry Grove pop. 1,517
- Township of Dry Point pop. 950
- Township of Du Bois pop. 644
- Township of Duncan pop. 259
- Township of Dundee pop. 64,329