1st District
(Calhoun, Hillsdale, Lenawee, Monroe, Wayne)
3rd District
(Allegan, Barry, Berrien, Branch, Calhoun, Cass, Hillsdale, Ionia, Jackson, Kalamazoo, Kent, Newaygo, Livingston, Muskegon, Ottawa, St. Joseph, Van Buren, Washtenaw)
4th District
(Upper Peninsula, Alcona, Alpena, Antrim, Arenac, Bay, Benzie, Charlevoix, Cheboygan, Clare, Clinton, Crawford, Eaton, Emmet, Gladwin, Grand Traverse, Gratiot, Huron, Ingham, Iosco, Isabella, Kalkaska, Lake, Lapeer, Leelanau, Manistee, Mason, Mecosta, Midland, Missaukee, Montcalm, Montmorency, Ogemaw, Oceana, Osceola, Oscoda, Otsego, Presque Isle, Roscommon, Saginaw, Sanilac, St. Clair, Tuscola, Wexford)
