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 Weldon pop. 366
- Village of Wellington pop. 203
- Village of Wenonah pop. 30
- Village of West Brooklyn pop. 129
- Village of West City pop. 644
- Village of West Dundee pop. 7,784
- Village of West Point pop. 140
- Village of West Salem pop. 755
- Village of Westchester pop. 16,492
- Village of Western Springs pop. 13,370
- Village of Westfield pop. 530
- Village of Westmont pop. 24,150
- Village of Westville pop. 3,120
- Village of Wheeler pop. 96
- Village of Wheeling pop. 38,499
- Village of White City pop. 216
- Village of Williamsfield pop. 563
- Village of Williamson pop. 182
- Village of Williamsville pop. 1,424
- Village of Willisville pop. 577
- Village of Willow Hill pop. 170
- Village of Willow Springs pop. 5,729
- Village of Willowbrook pop. 9,127
- Village of Wilmette pop. 27,587
- Village of Wilmington pop. 89
- Village of Wilsonville pop. 533
- Village of Windsor pop. 664
- Village of Winfield pop. 10,140
- Village of Winnebago pop. 2,903
- Village of Winnetka pop. 12,475
- Village of Winslow pop. 278
- Village of Winthrop Harbor pop. 6,656
- Village of Wonder Lake pop. 3,971
- Village of Woodhull pop. 747
- Village of Woodland pop. 244
- Village of Woodlawn pop. 607
- Village of Woodridge pop. 33,826
- Village of Woodson pop. 483
- Village of Worden pop. 1,099
- Village of Worth pop. 10,708
- Village of Wyanet pop. 874
- Village of Xenia pop. 375
- Village of Yale pop. 68
- Village of Yates City pop. 632
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