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 Abingdon pop. 2,892
- City of Albion pop. 1,921
- City of Aledo pop. 3,620
- City of Altamont pop. 2,191
- City of Alton pop. 25,422
- City of Amboy pop. 2,257
- City of Anna pop. 4,171
- City of Arcola pop. 2,880
- City of Ashley pop. 456
- City of Assumption pop. 1,182
- City of Athens pop. 1,944
- City of Atlanta pop. 1,618
- City of Auburn pop. 4,507
- City of Aurora pop. 179,266
- City of Ava pop. 546
- City of Barry pop. 1,292
- City of Batavia pop. 26,092
- City of Beardstown pop. 5,844
- City of Beecher City pop. 425
- City of Belleville pop. 41,751
- City of Belvidere pop. 25,134
- City of Benld pop. 1,443
- City of Benton pop. 6,708
- City of Berwyn pop. 55,772
- City of Bloomington pop. 78,283
- City of Blue Island pop. 22,005
- City of Braidwood pop. 6,182
- City of Breese pop. 4,614
- City of Bridgeport pop. 1,773
- City of Brookport pop. 711
- City of Bunker Hill pop. 1,606
- City of Burbank pop. 28,789
- City of Bushnell pop. 2,629
- City of Byron pop. 3,775
- City of Cahokia Heights pop. 20,466
- City of Cairo pop. 1,659
- City of Calumet City pop. 35,159
- City of Canton pop. 13,403
- City of Carbondale pop. 21,741
- City of Carlinville pop. 5,575
- City of Carlyle pop. 3,222
- City of Carmi pop. 4,796
- City of Carrollton pop. 2,443
- City of Carterville pop. 5,828
- City of Carthage pop. 2,475
- City of Casey pop. 2,376
- City of Centralia pop. 12,033
- City of Champaign pop. 89,114
- City of Charleston pop. 17,347
- City of Chenoa pop. 1,696
Townships 1,425
- Township of Brooklyn pop. 149
- Township of Brookside pop. 4,523
- Township of Brookville pop. 238
- Township of Broughton pop. 296
- Township of Brouilletts Creek pop. 191
- Township of Brown pop. 2,064
- Township of Browning pop. 363
- Township of Browning pop. 2,379
- Township of Bruce pop. 11,817
- Township of Brushy pop. 963
- Township of Brushy Mound pop. 656
- Township of Buck pop. 236
- Township of Buckeye pop. 1,180
- Township of Buckhart pop. 1,831
- Township of Buckheart pop. 1,284
- Township of Buckhorn pop. 81
- Township of Buena Vista pop. 1,796
- Township of Buffalo pop. 2,651
- Township of Buffalo Hart pop. 172
- Township of Buffalo Prairie pop. 702
- Township of Bunker Hill pop. 3,126
- Township of Bureau pop. 246
- Township of Burgess pop. 2,289
- Township of Burlington pop. 1,792
- Township of Burns pop. 237
- Township of Burnt Prairie pop. 322
- Township of Burritt pop. 1,086
- Township of Burton pop. 901
- Township of Burton pop. 4,892
- Township of Bushnell pop. 2,845
- Township of Butler pop. 868
- Township of Butler Grove pop. 737
- Township of Button pop. 238
- Township of Byron pop. 6,415
- Township of Cahokia pop. 3,152
- Township of Caledonia pop. 7,259
- Township of Calumet pop. 18,138
- Township of Camargo pop. 3,513
- Township of Cambridge pop. 2,408
- Township of Camden pop. 182
- Township of Camp Point pop. 1,628
- Township of Campton pop. 17,010
- Township of Canoe Creek pop. 588
- Township of Canteen pop. 7,888
- Township of Canton pop. 14,360
- Township of Capital pop. 111,563
- Township of Carbondale pop. 24,534
- Township of Carlinville pop. 6,359
- Township of Carlyle pop. 3,800
- Township of Carman pop. 238