Jefferson Hills, Pennsylvania

Jefferson Hills, Pennsylvania
Jefferson Hills War Memorial
Location in Allegheny County and the U.S. state of Pennsylvania.
Coordinates: 40°17′28″N 79°55′55″W / 40.29111°N 79.93194°W / 40.29111; -79.93194
CountryUnited States
StatePennsylvania
CountyAllegheny County
Post officePittsburgh
President of CouncilMelissa Girman-Steffey
Government
  MayorCarrie McCaffrey
Area
  Total
16.75 sq mi (43.38 km2)
  Land16.59 sq mi (42.95 km2)
  Water0.16 sq mi (0.42 km2)
Population
 (2020)
  Total
12,424
  Density749.11/sq mi (289.24/km2)
Time zoneUTC-4 (EST)
  Summer (DST)UTC-5 (EDT)
Area code412
School DistrictWest Jefferson Hills
Websitewww.jeffersonhillsboro.org

Jefferson Hills is a borough in Allegheny County, Pennsylvania, United States. In the 2020 census, the population was 12,424. It is part of the Pittsburgh metropolitan area.

Part of the West Jefferson Hills School District, Jefferson Hills was created as Jefferson Township. Incorporated on January 22, 1828, it was named after Thomas Jefferson. Before 1998, the borough was known as simply Jefferson.