 According to the United States Census Bureau, the township has a total area of 44.3 square miles (114.7 km²), of which, 43.5 square miles (113 km²) of it is land and 0.8 square miles (2 km²) of it (1.81%) is water.As of the census of 2010, there were 593 people, 236 households, and 171 families residing in the township.The population density was 13.6 people per square mile (5.3/km²).