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 Chester pop. 7,645
- City of Chicago pop. 2,696,555
- City of Chicago Heights pop. 26,905
- City of Chillicothe pop. 6,042
- City of Chrisman pop. 1,204
- City of Christopher pop. 2,657
- City of Clinton pop. 6,913
- City of Coffeen pop. 638
- City of Colchester pop. 1,070
- City of Collinsville pop. 24,320
- City of Colona pop. 5,021
- City of Columbia pop. 10,959
- City of Country Club Hills pop. 16,407
- City of Countryside pop. 6,275
- City of Creal Springs pop. 502
- City of Crest Hill pop. 20,293
- City of Crystal Lake pop. 40,411
- City of Cuba pop. 1,156
- City of Dallas City pop. 799
- City of Danville pop. 28,787
- City of Darien pop. 21,751
- City of De Kalb pop. 40,486
- City of Decatur pop. 69,646
- City of Delavan pop. 1,559
- City of Des Plaines pop. 59,459
- City of Dixon pop. 15,380
- City of Du Quoin pop. 5,811
- City of Earlville pop. 1,600
- City of East Dubuque pop. 1,489
- City of East Moline pop. 21,136
- City of East Peoria pop. 22,276
- City of East St Louis pop. 18,195
- City of Edwardsville pop. 25,218
- City of Effingham pop. 12,221
- City of El Paso pop. 2,739
- City of Eldorado pop. 3,690
- City of Elgin pop. 113,911
- City of Elmhurst pop. 45,326
- City of Elmwood pop. 2,031
- City of Eureka pop. 5,193
- City of Evanston pop. 77,517
- City of Fairbury pop. 3,595
- City of Fairfield pop. 4,778
- City of Fairview Heights pop. 16,474
- City of Farmer City pop. 1,815
- City of Farmington pop. 2,314
- City of Flora pop. 4,753
- City of Freeport pop. 23,650
- City of Fulton pop. 3,623
- City of Galena pop. 3,282
Townships 1,425
- Township of Santa Fe pop. 1,190
- Township of Saratoga pop. 6,472
- Township of Saratoga pop. 239
- Township of Sargent pop. 249
- Township of Saunemin pop. 602
- Township of Savanna pop. 3,589
- Township of Scales Mound pop. 659
- Township of Schaumburg pop. 131,970
- Township of Sciota pop. 450
- Township of Scotland pop. 397
- Township of Scott pop. 975
- Township of Scott pop. 3,298
- Township of Scottville pop. 277
- Township of Sefton pop. 594
- Township of Selby pop. 2,124
- Township of Seminary pop. 506
- Township of Senachwine pop. 610
- Township of Seneca pop. 2,884
- Township of Serena pop. 1,118
- Township of Seven Hickory pop. 308
- Township of Seward pop. 6,716
- Township of Seward pop. 835
- Township of Shabbona pop. 1,346
- Township of Shafter pop. 483
- Township of Sharon pop. 2,310
- Township of Shawnee pop. 171
- Township of Shaws Point pop. 473
- Township of Shelbyville pop. 4,455
- Township of Sheldon pop. 1,215
- Township of Sheridan pop. 449
- Township of Sherman pop. 480
- Township of Shields pop. 36,889
- Township of Shiloh pop. 132
- Township of Shiloh pop. 6,556
- Township of Shiloh Valley pop. 12,861
- Township of Shipman pop. 1,289
- Township of Shirland pop. 956
- Township of Shoal Creek pop. 1,672
- Township of Sidell pop. 890
- Township of Sidney pop. 1,668
- Township of Sigel pop. 720
- Township of Silver Creek pop. 616
- Township of Six Mile pop. 3,488
- Township of Smallwood pop. 439
- Township of Smithton pop. 4,135
- Township of Somer pop. 897
- Township of Somerset pop. 3,956
- Township of Somonauk pop. 1,986
- Township of Songer pop. 346
- Township of Sonora pop. 440