Grim Township is a civil township of Gladwin County in the U.S. state of Michigan. The population was 136 at the 2010 census.

Grim Township is the least densely-populated municipality in the state's Lower Peninsula, as well as the Lower Peninsula's third least-populated township after Pointe Aux Barques Township and Zilwaukee Township.

Communities

  • Hard Luck was an unincorporated community located within the township at . Originally a lumber town along the Michigan Central Railroad, the community contained its own post office from April 24, 1904 until August 31, 1906. The community is now a ghost town with no remaining structures.

Geography

According to the U.S. Census Bureau, the township has a total area of , of which is land and (1.43%) is water.