[2] According to the United States Census Bureau, the township has a total area of 43.3 square miles (112 km2), all land.

As of the census[4] of 2000, there were 622 people, 238 households, and 189 families residing in the township.

The population density was 14.4 people per square mile (5.6/km2).

There were 238 households, out of which 34.0% had children under the age of 18 living with them, 67.6% were married couples living together, 5.0% had a female householder with no husband present, and 20.2% were non-families.

17.2% of all households were made up of individuals, and 8.4% had someone living alone who was 65 years of age or older.