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 Bible Grove pop. 302
- Township of Big Grove pop. 1,652
- Township of Big Mound pop. 1,689
- Township of Big Rock pop. 1,763
- Township of Big Spring pop. 613
- Township of Biggsville pop. 544
- Township of Bird pop. 289
- Township of Birmingham pop. 135
- Township of Bishop pop. 1,688
- Township of Blackberry pop. 17,352
- Township of Blackhawk pop. 9,426
- Township of Blair pop. 608
- Township of Blandinsville pop. 738
- Township of Blissville pop. 373
- Township of Bloom pop. 84,167
- Township of Bloomingdale pop. 110,868
- Township of Bloomington pop. 2,591
- Township of Bloomington City pop. 78,283
- Township of Blount pop. 3,233
- Township of Blue Mound pop. 794
- Township of Blue Mound pop. 383
- Township of Blue Ridge pop. 1,395
- Township of Bluff Springs pop. 863
- Township of Bluffdale pop. 440
- Township of Bois D Arc pop. 921
- Township of Bolo pop. 397
- Township of Bond pop. 574
- Township of Bonpas pop. 417
- Township of Bonus pop. 4,356
- Township of Boone pop. 2,017
- Township of Bourbon pop. 4,104
- Township of Bourbonnais pop. 39,397
- Township of Bowdre pop. 627
- Township of Bowlesville pop. 146
- Township of Bowling pop. 3,330
- Township of Bowling Green pop. 437
- Township of Boynton pop. 227
- Township of Braceville pop. 6,504
- Township of Bradford pop. 259
- Township of Bradley pop. 1,887
- Township of Breese pop. 5,519
- Township of Bremen pop. 104,849
- Township of Brenton pop. 862
- Township of Bridgeport pop. 2,276
- Township of Brighton pop. 3,863
- Township of Brimfield pop. 1,163
- Township of Bristol pop. 32,936
- Township of Broadwell pop. 3,640
- Township of Brookfield pop. 1,058
- Township of Brooklyn pop. 149