According to the United States Census Bureau, the township had a total area of 10.543 square miles (27.305 km2), including 10.530 square miles (27.272 km2) of land and 0.013 square miles (0.033 km2) of water (0.12%) [REF].
Greenwich CDP (with a 2010 Census population of 2,755[REF]), Stewartsville (with 349 residents in 2010[REF]) and Upper Stewartsville (2010 population of 212[REF]) are unincorporated communities and census-designated places (CDPs) located within the township [REF].