 According to the United States Census Bureau, the territory of the Township covers , of which a total of is land and 0.3 square mile (0.9 km², or 4.92% of the total area), water.As of the census of 2010, there were 502 people, 208 households, and 137 families residing in the township.The population density was 86.6 people per square mile (33.4/km²).