Upper St. Clair Township, Pennsylvania

Upper St. Clair Township, Allegheny County, Pennsylvania
First Class Township with home rule
Fulton Log House in Upper St. Clair Township
Location of Upper St. Clair in Allegheny County, Pennsylvania (right) and of Allegheny County in Pennsylvania (left)
Coordinates: 40°20′08″N 80°4′47″W / 40.33556°N 80.07972°W / 40.33556; -80.07972
Country	United States
State	Pennsylvania
County	Allegheny
Settled	1762
Incorporated	1788
Government
• Type	Board of Commissioners
• President	Mark D. Christie
• Twp. Manager	Matthew Serakowski
Area [1]
• Total	9.83 sq mi (25.45 km2)
• Land	9.82 sq mi (25.43 km2)
• Water	0.01 sq mi (0.02 km2)
Population  (2020)
• Total	21,160
• Density	2,152.59/sq mi (831.12/km2)
Time zone	UTC-5 (Eastern (EST))
• Summer (DST)	UTC-4 (EDT)
Area code	412
FIPS code	42-003-79274
Website	http://www.twpusc.org

Upper St. Clair is a township with home rule status in southern Allegheny County, Pennsylvania, United States, located approximately 8 miles (13 km) south of Downtown Pittsburgh. It is known for being an affluent suburb with a nationally recognized school district. As of the 2020 census, the township population was 21,160.

Around 9% of the township's area is dedicated to 14 parks and multiple fields, totaling approximately 733 acres.^[2] The township has six borders with neighboring communities, including South Fayette Township to the west, Bridgeville to the northwest, Scott Township and Mt. Lebanon to the north, Bethel Park to the east, and Peters Township in Washington County to the south.