Hermitage is a city in Mercer County, Pennsylvania, United States. The population was 16,220 at the 2010 census. It is part of the Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area.HistoryFormerly known as Hickory Township . The City of Hermitage, in Mercer County, Pennsylvania, was first settled in 1796, and the Township of Hickory was incorporated in 1832 from portions of the Shenango and Pymatuning townships. Following the incorporation of the cities of Sharon and Farrell and the Boroughs of Sharpsville and Wheatland, the remainder of the Township was incorporated into a First Class Township.The Home Rule Charter and Optional Plans Law, Act 62 of 1972, provided all local governments in Pennsylvania a unique opportunity of true "home rule." On August 9, 1972, Ordinance 13–72 was enacted by the Board of Commissioners, providing for a referendum on electing a Governmental Study Commission of nine members. On November 17, 1972, the electors voted in favor of a commission and selected nine members with the task of studying present Township government and the alternative of an Optional Plan of Government or a Home Rule Charter.
