Backus Township is a civil township of Roscommon County in the U.S. state of Michigan. The population was 294 at the 2020 census. According to the U.S. Census Bureau, the township has a total area of 35.99 square miles, of which 34.36 square miles is land and 1.63 square miles is water.
Elevation: 1,168 ft (356 m)
Country: United States
State: Michigan
County: Roscommon
ZIP code(s): 48651 (Prudenville) · 48656 (St. Helen)