Pittsburgh is a city in the Commonwealth of Pennsylvania and the county seat of Allegheny County. It is the second-most populous city in Pennsylvania after Philadelphia and the 68th-most populous city in the U.S. with a population of 302,971 as of the 2020 census. The city anchors the Pittsburgh metropolitan area of Western Pennsylvania; its population of 2.457 million is the largest in both the Ohio Valley and Appalachia, the second-largest in Pennsylvania, and the 26th-largest in the U.S. Furthermore, it is the principal city of the greater Pittsburgh–Weirton–Steubenville combined statistical area that extends into Ohio and West Virginia.
Country: United States
State: Pennsylvania
County: Allegheny
Founded: November 27, 1758 (fort)
Founded by: Brigadier General George Washington · Brigadier General John Forbes
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