[4] According to the U.S. Census Bureau, the township has a total area of 18.5 square miles (47.8 km2), all land.

As of the census[6] of 2000, there were 3,764 people, 1,497 households, and 1,121 families residing in the township.

There were 1,600 housing units at an average density of 86.7 per square mile (33.5/km2).

There were 1,497 households, out of which 31.9% had children under the age of 18 living with them, 65.7% were married couples living together, 6.9% had a female householder with no husband present, and 25.1% were non-families.

22.9% of all households were made up of individuals, and 12.4% had someone living alone who was 65 years of age or older.