[5] According to the United States Census Bureau, the township has a total area of 37.0 square miles (95.9 km2), of which 37.0 square miles (95.8 km2) is land and 0.03% is water.

As of the census[6] of 2000, there were 3,565 people, 1,314 households, and 984 families residing in the township.

There were 1,441 housing units at an average density of 38.9 per square mile (15.0/km2).

There were 1,314 households, out of which 28.6% had children under the age of 18 living with them, 62.8% were married couples living together, 8.3% had a female householder with no husband present, and 25.1% were non-families.

22.1% of all households were made up of individuals, and 12.6% had someone living alone who was 65 years of age or older.