West Pennsboro Township, Pennsylvania

[4] The John McCullough House was added to the National Register of Historic Places in 1978, though it has been demolished.

The borough of Newville is situated on part of the western border.

Conodoguinet Creek, a tributary of the Susquehanna River, forms the northern border of the township, and Big Spring Creek, a tributary of the Conodoguinet, forms most of the western boundary.

Mount Rock is situated on U.S. 11 near the center point of the southern border, and Big Spring is near the southwest corner of the township.

Out of all of the householt were documented, 18.3% were made up of individuals, and 9.0% had someone living alone who was sixty-five years of age or older.

Post office in Plainfield