 According to the United States Census Bureau, the township has a total area of , of which is land and , or 1.70%, is water.The Sturgeon River flows northward through the western part of the township, past the village of Wolverine, and the Pigeon River flows northward through the eastern part of the township.As of the census of 2000, there were 925 people, 370 households, and 257 families residing in the township.