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 Bloomingdale pop. 22,386
- Village of Blue Mound pop. 1,103
- Village of Bluffs pop. 609
- Village of Bluford pop. 617
- Village of Bolingbrook pop. 73,597
- Village of Bondville pop. 380
- Village of Bone Gap pop. 179
- Village of Bonfield pop. 340
- Village of Bonnie pop. 370
- Village of Bourbonnais pop. 18,854
- Village of Bowen pop. 458
- Village of Braceville pop. 726
- Village of Bradford pop. 660
- Village of Bradley pop. 15,039
- Village of Bridgeview pop. 16,715
- Village of Brighton pop. 2,190
- Village of Brimfield pop. 768
- Village of Broadlands pop. 308
- Village of Broadview pop. 7,956
- Village of Broadwell pop. 135
- Village of Brocton pop. 269
- Village of Brookfield pop. 19,054
- Village of Brooklyn pop. 641
- Village of Broughton pop. 179
- Village of Browning pop. 119
- Village of Browns pop. 135
- Village of Brownstown pop. 716
- Village of Brussels pop. 114
- Village of Bryant pop. 163
- Village of Buckingham pop. 236
- Village of Buckley pop. 485
- Village of Buckner pop. 401
- Village of Buda pop. 472
- Village of Buffalo pop. 442
- Village of Buffalo Grove pop. 42,794
- Village of Bull Valley pop. 1,120
- Village of Bulpitt pop. 219
- Village of Buncombe pop. 231
- Village of Bureau Junction pop. 279
- Village of Burlington pop. 532
- Village of Burnham pop. 3,989
- Village of Burnt Prairie pop. 37
- Village of Burr Ridge pop. 11,134
- Village of Bush pop. 240
- Village of Butler pop. 165
- Village of Cabery pop. 233
- Village of Caledonia pop. 183
- Village of Calhoun pop. 161
- Village of Calumet Park pop. 6,843
- Village of Camargo pop. 452
Townships 1,425
- Township of Auburn pop. 233
- Township of Audubon pop. 504
- Township of Augusta pop. 701
- Township of Aurora pop. 126,586
- Township of Austin pop. 228
- Township of Aux Sable pop. 15,537
- Township of Avena pop. 1,977
- Township of Avoca pop. 406
- Township of Avon pop. 63,363
- Township of Ayers pop. 419
- Township of Bainbridge pop. 584
- Township of Bald Bluff pop. 221
- Township of Bald Hill pop. 792
- Township of Ball pop. 7,519
- Township of Banner pop. 318
- Township of Banner pop. 446
- Township of Barnett pop. 364
- Township of Barnhill pop. 627
- Township of Barr pop. 309
- Township of Barren pop. 536
- Township of Barrington pop. 16,262
- Township of Barry pop. 1,597
- Township of Batavia pop. 35,357
- Township of Bath pop. 730
- Township of Bear Creek pop. 511
- Township of Bear Creek pop. 317
- Township of Bear Grove pop. 551
- Township of Beardstown pop. 6,611
- Township of Beaucoup pop. 566
- Township of Beaver pop. 470
- Township of Beaver Creek pop. 255
- Township of Beaverville pop. 507
- Township of Bedford pop. 980
- Township of Bell Plain pop. 314
- Township of Belle Prairie pop. 131
- Township of Bellflower pop. 534
- Township of Belmont pop. 2,424
- Township of Belvidere pop. 29,230
- Township of Bement pop. 1,631
- Township of Bennington pop. 1,570
- Township of Benton pop. 18,957
- Township of Benton pop. 8,714
- Township of Berlin pop. 664
- Township of Bernadotte pop. 247
- Township of Berreman pop. 147
- Township of Berry pop. 342
- Township of Berwick pop. 301
- Township of Berwyn pop. 55,772
- Township of Bethel pop. 293
- Township of Beverly pop. 347