It had fallen within the area claimed by Virginia as its Yohogania County before the resolution of that state's boundary dispute with Pennsylvania.

Over the years, portions of Peters Township were sectioned off to form other municipalities; eventually, leaving the present configuration of 19.5 square miles (51 km2).

David Phillips, Andrew Dunlevy, Daniel Townsend, William Fife and Robert Bell.

Peters was initially a farming community and then later on coal became a major industry that resulted in the development of Hackett, presently a small settlement 1.2 miles (2 km) east of Venetia.

Peters Township remained a sparsely populated rural community until the 1950s.

The township's current arrowhead logo was adopted with the new home rule charter.

The Enoch Wright House was listed on the National Register of Historic Places in 2007.

13.8% of all households were made up of individuals, and 6.1% had someone living alone who was 65 years of age or older.

The department operates out of three fire stations within the township and maintains a fleet of three engines, one heavy rescue, one 109' aerial quint, and a number of specialized squads.

These elementary schools are split for the individual communities (McMurray and Venetia for Pleasant Valley and Bower Hill respectively).

The Peters Township Middle School educates students in grades 6–8.

The Peters Township High School educates students in grades 9-12.