The township includes the communities of Bell's Mills, Black Lick, Campbells Mill, Fairfield Heights, Josephine, Marshall Heights, Oake's Point, Palmertown, Smith, and Strangford.

[4] As of the census[6] of 2000, there were 3,746 people, 1,495 households, and 1,079 families residing in the township.

There were 1,632 housing units at an average density of 68.8 per square mile (26.6/km2).

There were 1,495 households, out of which 29.3% had children under the age of 18 living with them, 56.8% were married couples living together, 10.1% had a female householder with no husband present, and 27.8% were non-families.

24.7% of all households were made up of individuals, and 12.3% had someone living alone who was 65 years of age or older.