Grant Township is a civil township of Keweenaw County in the U.S. state of Michigan. The population was 275 at the 2020 census. Grant Township is one of the most isolated municipalities in Michigan, as it forms the tip of the Keweenaw Peninsula, which projects into Lake Superior.
Established: 1861
Elevation: 659 ft (201 m)
Country: United States
State: Michigan
County: Keweenaw
ZIP code(s): 49918 (Copper Harbor) · 49950 (Mohawk)