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 Lebanon pop. 4,569
- City of Leland Grove pop. 1,429
- City of Lewistown pop. 1,982
- City of Lexington pop. 2,068
- City of Lincoln pop. 13,058
- City of Litchfield pop. 6,726
- City of Lockport pop. 26,118
- City of Loves Park pop. 23,293
- City of Macomb pop. 15,052
- City of Macon pop. 1,144
- City of Madison pop. 3,129
- City of Marengo pop. 7,572
- City of Marion pop. 16,742
- City of Markham pop. 11,399
- City of Maroa pop. 1,549
- City of Marquette Heights pop. 2,523
- City of Marseilles pop. 4,804
- City of Marshall pop. 3,892
- City of Martinsville pop. 1,104
- City of Mascoutah pop. 8,676
- City of Mason City pop. 2,035
- City of Mattoon pop. 16,805
- City of Mchenry pop. 27,372
- City of Mcleansboro pop. 2,612
- City of Mendota pop. 6,982
- City of Metropolis pop. 5,903
- City of Minonk pop. 1,907
- City of Moline pop. 42,418
- City of Momence pop. 3,057
- City of Monmouth pop. 8,778
- City of Monticello pop. 5,931
- City of Morris pop. 14,359
- City of Morrison pop. 4,046
- City of Mound City pop. 524
- City of Mounds pop. 657
- City of Mount Carmel pop. 6,804
- City of Mount Carroll pop. 1,517
- City of Mount Olive pop. 1,989
- City of Mount Pulaski pop. 1,510
- City of Mount Sterling pop. 2,026
- City of Mount Vernon pop. 14,454
- City of Murphysboro pop. 7,023
- City of Naperville pop. 149,104
- City of Nashville pop. 3,057
- City of Nauvoo pop. 932
- City of Neoga pop. 1,375
- City of New Boston pop. 611
- City of Newman pop. 763
- City of Newton pop. 2,685
- City of Nokomis pop. 2,125
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