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 Peoria Heights pop. 5,827
- Village of Peotone pop. 4,182
- Village of Percy pop. 879
- Village of Perry pop. 309
- Village of Pesotum pop. 545
- Village of Phillipstown pop. 35
- Village of Philo pop. 1,362
- Village of Phoenix pop. 1,666
- Village of Pierron pop. 478
- Village of Pingree Grove pop. 10,725
- Village of Piper City pop. 751
- Village of Pittsburg pop. 563
- Village of Plainfield pop. 45,398
- Village of Plainville pop. 265
- Village of Plattville pop. 221
- Village of Pleasant Hill pop. 916
- Village of Pleasant Plains pop. 806
- Village of Plymouth pop. 433
- Village of Pocahontas pop. 731
- Village of Pontoon Beach pop. 5,900
- Village of Pontoosuc pop. 101
- Village of Poplar Grove pop. 5,076
- Village of Port Barrington pop. 1,578
- Village of Port Byron pop. 1,641
- Village of Posen pop. 5,497
- Village of Potomac pop. 678
- Village of Prairie City pop. 402
- Village of Prairie Du Rocher pop. 478
- Village of Prairie Grove pop. 1,961
- Village of Princeville pop. 1,620
- Village of Pulaski pop. 153
- Village of Radom pop. 181
- Village of Raleigh pop. 281
- Village of Ramsey pop. 948
- Village of Rankin pop. 487
- Village of Ransom pop. 308
- Village of Rantoul pop. 12,119
- Village of Rapids City pop. 950
- Village of Raritan pop. 102
- Village of Raymond pop. 938
- Village of Reddick pop. 193
- Village of Redmon pop. 138
- Village of Reynolds pop. 490
- Village of Richmond pop. 2,106
- Village of Richton Park pop. 12,494
- Village of Richview pop. 234
- Village of Ridge Farm pop. 773
- Village of Ridgway pop. 797
- Village of Ridott pop. 125
- Village of Ringwood pop. 838
Townships 1,425
- Township of North Muddy pop. 772
- Township of North Okaw pop. 992
- Township of North Otter pop. 764
- Township of North Palmyra pop. 809
- Township of Northeast pop. 833
- Township of Northern pop. 445
- Township of Northfield pop. 89,863
- Township of Northville pop. 7,297
- Township of Norton pop. 914
- Township of Norwood Park pop. 26,878
- Township of Nunda pop. 38,401
- Township of O Fallon pop. 26,336
- Township of Oak Park pop. 53,224
- Township of Oakdale pop. 546
- Township of Oakland pop. 133
- Township of Oakley pop. 952
- Township of Oakwood pop. 3,125
- Township of Oblong pop. 2,757
- Township of Oconee pop. 781
- Township of Odell pop. 1,183
- Township of Odin pop. 1,564
- Township of Ogden pop. 1,516
- Township of Ohio pop. 816
- Township of Ohio Grove pop. 271
- Township of Okaw pop. 886
- Township of Okawville pop. 1,945
- Township of Old Ripley pop. 859
- Township of Old Town pop. 3,387
- Township of Olio pop. 4,683
- Township of Olive pop. 1,705
- Township of Olney pop. 9,972
- Township of Omaha pop. 423
- Township of Omega pop. 445
- Township of Omphghent pop. 2,448
- Township of Onarga pop. 1,599
- Township of Oneco pop. 1,268
- Township of Ontario pop. 901
- Township of Ophir pop. 437
- Township of Oquawka pop. 1,650
- Township of Ora pop. 506
- Township of Oran pop. 305
- Township of Orange pop. 255
- Township of Orange pop. 521
- Township of Orchard pop. 627
- Township of Oregon-Nashua pop. 4,776
- Township of Orel pop. 1,342
- Township of Orion pop. 1,114
- Township of Orland pop. 96,470
- Township of Orvil pop. 959
- Township of Osage pop. 242