According to the United States Census Bureau, the township has a total area of 36.2 square miles (94 km2), all land.

As of the census[1] of 2000, there were 3,688 people, 1,555 households, and 1,044 families residing in the township.

There were 2,320 housing units at an average density of 64.1 per square mile (24.7/km2).

There were 1,555 households, out of which 26.9% had children under the age of 18 living with them, 56.5% were married couples living together, 7.1% had a female householder with no husband present, and 32.8% were non-families.

28.2% of all households were made up of individuals, and 13.6% had someone living alone who was 65 years of age or older.