As of May 5, 2022[update], the United States attorney for the Western District of Michigan is Mark Totten.

Due to the Toledo War, a boundary dispute with Ohio, Michigan did not become a state of the union until January 26, 1837.

[4] The District Court is based in Grand Rapids, courthouses also located in Kalamazoo, Lansing, and Marquette in the Upper Peninsula.

[3] The Northern Division comprises the counties of Alger, Baraga, Chippewa, Delta, Dickinson, Gogebic, Houghton, Iron, Keweenaw, Luce, Mackinac, Marquette, Menominee, Ontonagon, and Schoolcraft.

[3] The Southern Division comprises the counties of Allegan, Antrim, Barry, Benzie, Berrien, Branch, Calhoun, Cass, Charlevoix, Clinton, Eaton, Emmet, Grand Traverse, Hillsdale, Ingham, Ionia, Kalamazoo, Kalkaska, Kent, Lake, Leelanau, Manistee, Mason, Mecosta, Missaukee, Montcalm, Muskegon, Newaygo, Oceana, Osceola, Ottawa, Saint Joseph, Van Buren, and Wexford.

[3] Court for the Southern Division can be held in Grand Rapids, Kalamazoo, Lansing, and Traverse City.

The chief judge serves for a term of seven years, or until age 70, whichever occurs first.