As of the census[3] of 2000, there were 3,597 people, 1,618 households, and 1,216 families residing in the township.

The population density was 108.5 inhabitants per square mile (41.9/km2).

There were 2,794 housing units at an average density of 84.3 per square mile (32.5/km2).

There were 1,618 households, out of which 17.3% had children under the age of 18 living with them, 65.9% were married couples living together, 5.9% had a female householder with no husband present, and 24.8% were non-families.

21.6% of all households were made up of individuals, and 11.9% had someone living alone who was 65 years of age or older.