As of the census[1] of 2000, there were 4,292 people, 1,897 households, and 1,291 families residing in the township.

The population density was 41.4 inhabitants per square mile (16.0/km2).

There were 1,897 households, out of which 21.4% had children under the age of 18 living with them, 57.6% were married couples living together, 7.0% had a female householder with no husband present, and 31.9% were non-families.

28.0% of all households were made up of individuals, and 14.9% had someone living alone who was 65 years of age or older.

Males had a median income of $31,774 versus $23,446 for females.