As of the census[4] of 2000, there were 3,915 people, 1,526 households, and 1,069 families residing in the township.
There were 1,659 housing units at an average density of 55.4 per square mile (21.4/km2).
The racial makeup of the township was 97.73% White, 0.61% African American, 0.26% Native American, 0.41% Asian, 0.05% Pacific Islander, 0.38% from other races, and 0.56% from two or more races.
There were 1,526 households, out of which 28.4% had children under the age of 18 living with them, 57.1% were married couples living together, 9.2% had a female householder with no husband present, and 29.9% were non-families.
25.9% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older.