Corwith Township is a civil township of Otsego County in the U.S. state of Michigan. The population was 1,708 at the 2020 census. The first lumbermill in Otsego County was built within Corwith Township at a place called Berryville in 1877.
Established: 1877
Elevation: 896 ft (273 m)
Country: United States
State: Michigan
County: Otsego
ZIP code(s): 49751 (Johannesburg) · 49795 (Vanderbilt) · 49799 (Wolverine)