 It is part of the Youngstown-Warren-Boardman, OH-PA Metropolitan Statistical Area.Formerly known as Hickory Township (hence Hickory High School with its Hickory Hornet mascot).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.