According to the United States Census Bureau, the township had a total area of 5.193 square miles (13.449 km2), including 5.174 square miles (13.400 km2) of land and 0.019 square miles (0.049 km2) of water (0.37%) [REF].
Unincorporated communities, localities and place names located partially or completely within the township include Baltusrol, Branch Mills and Milltown [REF].