Municipalities:

Part of ARMSTRONG County consisting of the TOWNSHIP of Parks and the BOROUGHS of Apollo and Leechburg; Part of INDIANA County consisting of the BOROUGH of Saltsburg and Part of WESTMORELAND County consisting of the CITY of Latrobe and the TOWNSHIPS of Bell, Derry, Loyalhanna, Unity (PART, Districts Dorothy, Gravel Hill, Lloydsville, Roble and Whitney) and Washington and the BOROUGHS of Avonmore, Derry, East Vandergrift, Hyde Park, New Alexandria, Oklahoma, Vandergrift, West Leechburg and Youngstown.

Total population: 62,461

School Districts:

Blairsville-Saltsburg School District
Derry Area School District
Greater Latrobe School District
Kiski Area School District
Leechburg School District