Geography According to the United States Census Bureau, the township has a total area of 8.1 square miles (21.1 km2), of which 8.0 square miles (20.7 km2) is land and 0.1 square mile (0.3 km2) (1.60%) is water. It is drained by the Perkiomen Creek into the Schuylkill River. Its villages include Delphi, Obelisk (also in Upper Frederick Township,) and Zieglerville.
Geography According to the United States Census Bureau, the township has a total area of 8.1 square miles (211 km2), of which 8.0 square miles (20.7 km2) is land and 0.1 square mile (0.3 km2) (1.60%) is water. It is drained by th.e Perkiomen Creek into the Schuylkill River. Its villages include Delphi, Obelisk (also in Upper Frederick Township,) and Zieglerville.