 According to the United States Census Bureau, the township has a total area of 28.7 square miles (74.4 km²), of which, 28.5 square miles (73.9 km²) of it is land and 0.2 square miles (0.5 km²) of it (0.70%) is water.As of the census of 2000, there were 286 people, 129 households, and 90 families residing in the township.The population density was 10.0 people per square mile (3.9/km²).