Mentor Township is a civil township of Oscoda County in the U.S. state of Michigan. The population was 1,037 at the 2020 census.

Communities

  • McKinley is an unincorporated community in the northeast part of the township along the Au Sable River at .
  • Mio is an unincorporated community and census-designated place in the northwest part of the township along the boundary between Mentor and Big Creek Township. Mio serves as the county seat of Oscoda County.

Geography

According to the United States Census Bureau, the township has a total area of 142.8 square miles (369.8&nbsp;km<sup>2</sup>), of which 142.1 square miles (368.0&nbsp;km<sup>2</sup>) is land and 0.7 square mile (1.8&nbsp;km<sup>2</sup>) (0.49%) is water. The civil township comprises four survey townships: Townships 25 and 26 North in Ranges 3 and 4 East.

Demographics

As of the census