As of the census[1] of 2000, there were 11,877 people, 4,545 households, and 3,481 families residing in the township.

There were 4,700 housing units at an average density of 149.1 per square mile (57.6/km2).

There were 4,545 households, out of which 32.0% had children under the age of 18 living with them, 66.1% were married couples living together, 7.7% had a female householder with no husband present, and 23.4% were non-families.

20.3% of all households were made up of individuals, and 8.1% had someone living alone who was 65 years of age or older.

Males had a median income of $48,523 versus $29,660 for females.