Counties 102

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• 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

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• 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

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• Township of Harrison pop. 603
• Township of Harristown pop. 1,718
• Township of Harter pop. 6,077
• Township of Hartland pop. 1,878
• Township of Harvel pop. 190
• Township of Harwood pop. 628
• Township of Havana pop. 4,320
• Township of Haw Creek pop. 351
• Township of Hawthorne pop. 258
• Township of Hebron pop. 2,342
• Township of Helvetia pop. 8,323
• Township of Henderson pop. 1,126
• Township of Hennepin pop. 1,221
• Township of Henry pop. 2,553
• Township of Hensley pop. 1,019
• Township of Heralds Prairie pop. 627
• Township of Herrick pop. 537
• Township of Hickory pop. 104
• Township of Hickory Hill pop. 376
• Township of Hickory Point pop. 18,052
• Township of Highland pop. 262
• Township of Hillsboro pop. 6,540
• Township of Hillyard pop. 579
• Township of Hire pop. 198
• Township of Hittle pop. 555
• Township of Holland pop. 387
• Township of Hollis pop. 1,798
• Township of Homer pop. 40,737
• Township of Honey Creek pop. 713
• Township of Honey Creek pop. 1,455
• Township of Honey Point pop. 168
• Township of Hoosier pop. 314
• Township of Hope pop. 577
• Township of Hopedale pop. 1,821
• Township of Hopewell pop. 495
• Township of Hopkins pop. 1,998
• Township of Houston pop. 210
• Township of Hoyleton pop. 1,035
• Township of Hudson pop. 2,469
• Township of Humboldt pop. 1,203
• Township of Hume pop. 359
• Township of Hunt City pop. 258
• Township of Hunter pop. 247
• Township of Huntsville pop. 137
• Township of Hurlbut pop. 308
• Township of Hurricane pop. 226
• Township of Hutsonville pop. 1,001
• Township of Hutton pop. 772
• Township of Illini pop. 1,310
• Township of Illiopolis pop. 1,200