Upper St. Clair Twp. – Terra Firma
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Name: Upper St. Clair
Type: Township (home-rule)
Year established: 1788 (as St. Clair Township), incorporated separately as Upper St. Clair Township in 1836, adopted home-rule charter in 1976
Population (2020): 19,273
Area: 9.83 sq mi (total), 9.83 sq mi (land)
Population density: ~1,961 per sq mi
School District: Upper St. Clair School District
ZIP Code(s): 15241
Official website: twpusc.org
Region: South (southern Allegheny County)
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