 According to the United States Census Bureau, the township has a total area of 16.5 square miles (42.7 km2), of which, 15.1 square miles (39.0 km2) of it is land and 1.4 square miles (3.7 km2) of it (8.61%) is water.As of the census of 2000, there were 524 people, 193 households and 154 families residing in the township.The population density was 34.8 per square mile (13.4/km2).