| 2 - Northwestern Illinois: Boone, Bureau, Carroll, DeKalb, Henry, Lee, Rock Island, Stephenson, Whiteside, Winnebago 4 - Spoon River Valley: Christian, Peoria, and Tazewell 6 - Springfield and Westernmost Illinois: Hancock, Macoupin, Montgomery, and Sangamon 8 - Southwestern Illinois: Jefferson, Madison, Randolph, St. Clair S - St. Louis Metro: Jefferson (MO), St. Charles (MO), St. Louis (MO)
Madison (IL), and St. Clair (IL) |  | 1 - Chicagoland: Cook, DuPage, Kane, Lake, McHenry, Will 3 - I & M Canal to Iroquois: Champaign, Grundy, Kendall, Kankakee, LaSalle, McLean 5 - East Central Illinois: Champaign, DeWitt, Douglas, Macon, Moultrie, & Platt 7 - Southeastern Illinois: Jasper and Wabash 9 - Shawnee Region: Southernmost Illinois
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