Definitions of Workforce Investment Areas (WIAs)
- WIA 1 - Lake County
- WIA 2 - Mc Henry County
- WIA 3 - Boone, and Winnebago Counties
- WIA 4 - Carroll, Jo Daviess, Ogle, Stephenson, and Whiteside Counties
- WIA 5 - De Kalb, Kane, and Kendall Counties
- WIA 6 - Du Page County
- WIA 7,8,9 - Cook County
- WIA 10 - Will County
- WIA 11 - Grundy, Kankakee, and Livingston Counties
- WIA 12 - Bureau, La Salle, Lee, and Putnam Counties
- WIA 13 - Henry, Mercer, and Rock Island Counties
- WIA 14 - Adams, Brown, Hancock, Henderson, Knox, Mc Donough, Pike, Schuyler, and Warren Counties
- WIA 15 - Marshall, Peoria, Stark, and Woodford Counties
- WIA 16 - Fulton, Mc Lean, Mason, and Tazewell Counties
- WIA 17 - Champaign, Ford, Iroquois, and Piatt Counties
- WIA 18 - Vermilion County
- WIA 19 - De Witt, and Macon Counties
- WIA 20 - Cass, Christian, Logan, Menard, and Sangamon Counties
- WIA 21 - Calhoun, Greene, Jersey, Macoupin, Montgomery, Morgan, Scott, and Shelby Counties
- WIA 22 - Bond, and Madison Counties
- WIA 23 - Clark, Clay, Coles, Crawford, Cumberland, Douglas, Edgar, Effingham, Fayette, Jasper, Lawrence, Marion, Moultrie, and Richland Counties
- WIA 24 - Clinton, Monroe, Randolph, St. Clair, and Washington Counties
- WIA 25 - Franklin, Jackson, Jefferson, Perry, and Williamson Counties
- WIA 26 - Alexander, Edwards, Gallatin, Hamilton, Hardin, Johnson, Massac, Pope, Pulaski, Saline, Union, Wabash, Wayne, and White Counties