Michigan's 4th congressional district is a United States congressional district located in the state of Michigan. The current 4th district contains much of Michigan's old 2nd district, and includes all of Allegan and Van Buren counties, as well as portions of Ottawa, Kalamazoo, Calhoun, and Berrien counties. In 2022, the district was redrawn to start in St. Joseph Township and extend north to Port Sheldon Township. The 4th is currently represented by Republican Bill Huizenga, who previously represented the old 2nd district.

Michigan's 2nd congressional district is a United States congressional district in Western Michigan. The current 2nd district contains much of Michigan's old 4th congressional district, and includes all of Barry, Clare, Gladwin, Gratiot, Ionia, Isabella, Lake, Manistee, Mason, Mecosta, Montcalm, Newaygo, Oceana, and Osceola counties, as well as portions of Eaton, Kent, Midland, Muskegon, Ottawa and Wexford counties. Republican John Moolenaar, who had previously represented the old 4th district, was re-elected to represent the new 2nd in 2022.