Philadelphia City Hall at Night

Philadelphia, colloquially referred to as Philly, is the most populous city in the U.S. state of Pennsylvania and the sixth-most populous city in th…
Philadelphia, colloquially referred to as Philly, is the most populous city in the U.S. state of Pennsylvania and the sixth-most populous city in the United States, with a population of 1,603,797 in the 2020 census. The city is the urban core of the larger Delaware Valley, also known as the Philadelphia metropolitan area, the nation's eighth-largest metropolitan area and seventh-largest combined statistical area with 6.245 million residents and 7.366 million residents, respectively.
  • Country: United States
  • State: Pennsylvania
  • County: Philadelphia
  • Founded: 1682
  • Incorporated: October 25, 1701
  • Founded by: William Penn
  • Elevation: 39 ft (12 m)

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Data from: en.wikipedia.org