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Home. About Pittsburgh. In This Section. IndexPGH. Technology in Pittsburgh. Pittsburgh Accolades. Community Links. Partner Directory. As America's Most Livable City, Pittsburgh is rich with history and culture. Explore the past and the present and see what the future holds for our city.
A city of about 303,000 (2021) in Allegheny County, at the center of a metro area of about 2.4 million in southwestern Pennsylvania, Pittsburgh is situated at the confluence of three rivers: the Monongahela and Allegheny Rivers, which meet to form the Ohio River.
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.
