Illinois
2,821 jurisdictions across counties, municipalities, and townships.
Counties 102
- Lawrence County pop. 15,152
- Lee County pop. 34,049
- Livingston County pop. 35,664
- Logan County pop. 27,992
- Macon County pop. 102,432
- Macoupin County pop. 44,406
- Madison County pop. 264,490
- Marion County pop. 37,390
- Marshall County pop. 11,663
- Mason County pop. 12,881
- Massac County pop. 13,960
- Mcdonough County pop. 26,828
- Mchenry County pop. 311,122
- Mclean County pop. 170,889
- Menard County pop. 12,164
- Mercer County pop. 15,582
- Monroe County pop. 34,932
- Montgomery County pop. 28,084
- Morgan County pop. 32,606
- Moultrie County pop. 14,510
- Ogle County pop. 51,449
- Peoria County pop. 179,432
- Perry County pop. 20,985
- Piatt County pop. 16,753
- Pike County pop. 14,618
- Pope County pop. 3,779
- Pulaski County pop. 5,065
- Putnam County pop. 5,566
- Randolph County pop. 30,142
- Richland County pop. 15,796
- Rock Island County pop. 142,909
- Saline County pop. 23,320
- Sangamon County pop. 194,734
- Schuyler County pop. 6,843
- Scott County pop. 4,836
- Shelby County pop. 20,789
- St Clair County pop. 254,796
- Stark County pop. 5,294
- Stephenson County pop. 44,021
- Tazewell County pop. 130,413
- Union County pop. 16,923
- Vermilion County pop. 73,095
- Wabash County pop. 11,202
- Warren County pop. 16,531
- Washington County pop. 13,655
- Wayne County pop. 15,963
- White County pop. 13,784
- Whiteside County pop. 55,305
- Will County pop. 697,252
- Williamson County pop. 66,879
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 North Muddy pop. 772
- Township of North Okaw pop. 992
- Township of North Otter pop. 764
- Township of North Palmyra pop. 809
- Township of Northeast pop. 833
- Township of Northern pop. 445
- Township of Northfield pop. 89,863
- Township of Northville pop. 7,297
- Township of Norton pop. 914
- Township of Norwood Park pop. 26,878
- Township of Nunda pop. 38,401
- Township of O Fallon pop. 26,336
- Township of Oak Park pop. 53,224
- Township of Oakdale pop. 546
- Township of Oakland pop. 133
- Township of Oakley pop. 952
- Township of Oakwood pop. 3,125
- Township of Oblong pop. 2,757
- Township of Oconee pop. 781
- Township of Odell pop. 1,183
- Township of Odin pop. 1,564
- Township of Ogden pop. 1,516
- Township of Ohio pop. 816
- Township of Ohio Grove pop. 271
- Township of Okaw pop. 886
- Township of Okawville pop. 1,945
- Township of Old Ripley pop. 859
- Township of Old Town pop. 3,387
- Township of Olio pop. 4,683
- Township of Olive pop. 1,705
- Township of Olney pop. 9,972
- Township of Omaha pop. 423
- Township of Omega pop. 445
- Township of Omphghent pop. 2,448
- Township of Onarga pop. 1,599
- Township of Oneco pop. 1,268
- Township of Ontario pop. 901
- Township of Ophir pop. 437
- Township of Oquawka pop. 1,650
- Township of Ora pop. 506
- Township of Oran pop. 305
- Township of Orange pop. 255
- Township of Orange pop. 521
- Township of Orchard pop. 627
- Township of Oregon-Nashua pop. 4,776
- Township of Orel pop. 1,342
- Township of Orion pop. 1,114
- Township of Orland pop. 96,470
- Township of Orvil pop. 959
- Township of Osage pop. 242