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 North Chicago pop. 30,029
- City of Northlake pop. 12,664
- City of O Fallon pop. 32,292
- City of Oak Forest pop. 26,793
- City of Oakbrook Terrace pop. 2,725
- City of Oakland pop. 732
- City of Oglesby pop. 3,660
- City of Olney pop. 8,692
- City of Oneida pop. 684
- City of Oregon pop. 3,592
- City of Orient pop. 323
- City of Ottawa pop. 18,749
- City of Palos Heights pop. 11,819
- City of Palos Hills pop. 18,117
- City of Pana pop. 5,262
- City of Paris pop. 8,140
- City of Park City pop. 7,867
- City of Park Ridge pop. 38,810
- City of Paxton pop. 4,459
- City of Pekin pop. 31,448
- City of Peoria pop. 111,666
- City of Peru pop. 9,842
- City of Petersburg pop. 2,231
- City of Pinckneyville pop. 5,198
- City of Pittsfield pop. 4,193
- City of Plano pop. 12,191
- City of Polo pop. 2,262
- City of Pontiac pop. 11,359
- City of Princeton pop. 7,716
- City of Prophetstown pop. 1,929
- City of Prospect Heights pop. 15,691
- City of Quincy pop. 39,131
- City of Red Bud pop. 3,684
- City of Robinson pop. 7,187
- City of Rochelle pop. 9,367
- City of Rock Falls pop. 8,724
- City of Rock Island pop. 36,636
- City of Rockford pop. 147,711
- City of Rolling Meadows pop. 23,781
- City of Roodhouse pop. 1,545
- City of Rosiclare pop. 966
- City of Rushville pop. 3,026
- City of Salem pop. 7,187
- City of Sandwich pop. 7,178
- City of Savanna pop. 2,909
- City of Sesser pop. 1,865
- City of Shawneetown pop. 1,054
- City of Shelbyville pop. 4,609
- City of Silvis pop. 7,952
- City of South Beloit pop. 7,932
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