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 Sparta pop. 3,950
- City of Spring Valley pop. 5,486
- City of Springfield pop. 113,394
- City of St Charles pop. 33,009
- City of St Elmo pop. 1,284
- City of St Francisville pop. 555
- City of Staunton pop. 4,997
- City of Sterling pop. 14,750
- City of Streator pop. 12,374
- City of Sullivan pop. 4,387
- City of Sumner pop. 2,660
- City of Sycamore pop. 18,580
- City of Taylorville pop. 10,725
- City of Toluca pop. 1,336
- City of Toulon pop. 1,159
- City of Trenton pop. 2,649
- City of Troy pop. 11,175
- City of Tuscola pop. 4,654
- City of Urbana pop. 38,681
- City of Vandalia pop. 6,836
- City of Venice pop. 1,494
- City of Vienna pop. 1,473
- City of Villa Grove pop. 2,480
- City of Virden pop. 3,191
- City of Virginia pop. 1,497
- City of Wamac pop. 977
- City of Warrenville pop. 14,655
- City of Warsaw pop. 1,493
- City of Washington pop. 15,978
- City of Waterloo pop. 11,062
- City of Watseka pop. 4,622
- City of Waukegan pop. 88,614
- City of Waverly pop. 1,149
- City of Wenona pop. 968
- City of West Chicago pop. 25,370
- City of West Frankfort pop. 7,229
- City of West Peoria pop. 4,202
- City of Wheaton pop. 53,126
- City of White Hall pop. 2,328
- City of Wilmington pop. 5,624
- City of Winchester pop. 1,538
- City of Windsor pop. 1,060
- City of Witt pop. 777
- City of Wood Dale pop. 13,861
- City of Wood River pop. 10,386
- City of Woodstock pop. 25,646
- City of Wyoming pop. 1,278
- City of Yorkville pop. 22,594
- City of Zeigler pop. 1,467
- City of Zion pop. 24,494
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