 Hempfield Township has thirteen borders, including Salem Township to the north, Unity Township to the east, Mount Pleasant Township to the southeast, East Huntingdon Township, Hunker and South Huntingdon Township to the south, Sewickley Township to the west and south-southwest, Madison to the southwest, North Huntingdon Township to the west-northwest, and Manor, Penn Township, the borough of Penn and the city of Jeannette, all to the northwest.The city of Greensburg and six separate boroughs - Southwest Greensburg, South Greensburg, Youngwood, New Stanton, Arona, and Adamsburg - are entirely situated within Hempfield Township.At the 2000 census there were 40,721 people, 15,997 households, and 11,597 families living in the township.