While the Master Naturalist program is administered at the state level, each host unit is able to tailor the program to meet the needs of their local communities. Timing of each training and selection of local projects are two of the ways each unit can really make the program unique to their area. 

Unit Programs Details

• Adams, Brown, Hancock, Pike and Schuyler Counties
• Alexander, Johnson, Massac, Pulaski and Union Counties
• Bond, Clinton, Jefferson, Marion and Washington Counties
• Boone, DeKalb and Ogle Counties
• Bureau, LaSalle, Marshall and Putnam Counties
• Calhoun, Cass, Greene, Morgan and Scott Counties
• Carroll, Lee and Whiteside Counties
• Champaign, Ford, Iroquois and Vermilion Counties
• Coles, Cumberland, Douglas, Moultrie and Shelby Counties
• Cook County
• DeWitt, Macon and Piatt Counties
• DuPage, Kane and Kendall Counties
• Franklin, Jackson, Perry, Randolph and Williamson Counties
• Fulton, Mason, Peoria and Tazewell Counties
• Grundy, Kankakee and Will Counties
• Henderson, Knox, McDonough and Warren Counties
• Henry, Mercer, Rock Island, and Stark Counties
• Jo Daviess, Stephenson and Winnebago Counties
• Livingston, McLean and Woodford Counties
• Logan, Menard and Sangamon Counties
• Madison, Monroe, and St.Clair Counties