Hempfield Township, Westmoreland County, Pennsylvania
Township
Hempfield Township, with U.S. Route 30 and Westmoreland Mall in view
Map of Westmoreland County, Pennsylvania Highlighting Hempfield Township
Map of Pennsylvania highlighting Westmoreland County
Country	United States
State	Pennsylvania
County	Westmoreland
Incorporated	April 6, 1773
Area
• Total	76.8 sq mi (199 km2)
• Land	76.6 sq mi (198 km2)
• Water	0.2 sq mi (0.5 km2)
Population (2010)
• Total	43,241
• Density	531.5/sq mi (205.2/km2)
Time zone	Eastern (EST) (UTC-5)
• Summer (DST)	EDT (UTC-4)
Zip code	15601
Area code(s)	724
Website	http://www.hempfieldtwp.com