South Fayette Township, Pennsylvania

South Fayette Township,
Allegheny County, Pennsylvania
South Fayette Township Welcome Sign
Etymology: Named for Gilbert du Motier, Marquis de Lafayette
Motto: 
A Community Growing Together
Location in Allegheny County and state of Pennsylvania
CountryUnited States
StatePennsylvania
CountyAllegheny
Established1842
Government
  TypeFirst-Class Township Government (Board of Commissioners/Township Manager)
Area
  Total
20.39 sq mi (52.80 km2)
  Land20.38 sq mi (52.79 km2)
  Water0.00 sq mi (0.01 km2)
Population
 (2010)
  Total
14,416
  Estimate 
(2018)
15,756
  Density764.20/sq mi (295.06/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP code
15017, 15031, 15057, 15064, 15071, 15082, 15142, 15321
Area code(s)412, 724
FIPS code42-003-72160
Website

South Fayette Township is a township in Allegheny County, Pennsylvania, United States. The population was 14,416 at the 2010 census.