Rochester Township, Pennsylvania

[4] As of the 2000 census,[6] there were 3,129 people, 1,213 households, and 885 families residing in the township.

The population density was 819.9 inhabitants per square mile (316.6/km2).

There were 1,268 housing units at an average density of 332.3 per square mile (128.3/km2).

There were 1,213 households, out of which 28.2% had children under the age of 18 living with them, 60.1% were married couples living together, 9.3% had a female householder with no husband present, and 27.0% were non-families.

23.2% of all households were made up of individuals, and 11.8% had someone living alone who was 65 years of age or older.