West Salem Township Mercer County was formed in 1805 and is located at the West end of Mercer County bordering on the Borough of Greenville. Currently, the Township has a population of 3538 as of the last U.S. Census. Assessed valuation of the land within the Township is $25,864,950 with millage set at 6.

West Salem Township has 46.48 miles of road.

The West Salem Township Supervisors will hold their regular monthly meetings dates and times as follows: 6 p.m. on April 14, June 9, August 11, October 13, December 8, 8 a.m. on May 12, July 14, September 8, November 10, 2026 at the West Salem Township Municipal Building, 610 Vernon Road, Greenville, PA

2026 Monthly Meeting Notice

Clean Up Day on May 9th