Oliver Township, Mifflin County, Pennsylvania

As of the census[4] of 2000, there were 2,060 people, 804 households, and 601 families residing in the township.

There were 962 housing units at an average density of 27.9 per square mile (10.8/km2).

The racial makeup of the township was 99.51% White, 0.24% African American, 0.10% Asian, and 0.15% from two or more races.

There were 804 households, out of which 30.8% had children under the age of 18 living with them; 65.4% were married couples living together, 6.2% had a female householder with no husband present, and 25.2% were non-families.

23.4% of all households were made up of individuals, and 14.6% had someone living alone who was 65 years of age or older.