Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania,  the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City, and the 68th-largest city in the world.
Philadelphia, Capital Of Pennsylvania Philadelphia, Pennsylvania, is one of the most famous cities in the United States. In between two rivers, the sprawling city might seem like one of many other American cities, but at the heart of Philadelphia lies a rich city teeming with American history and culture.
Philadelphia, city and port, coextensive with Philadelphia county, southeastern Pennsylvania, U.S. It is situated at the confluence of the Delaware and Schuylkill rivers. Area 135 square miles (350 square km).
Philadelphia is the largest city in the Commonwealth of Pennsylvania and the county seat of Philadelphia County, with which it is coterminous. The city is located in the Northeastern United States along the Delaware and Schuylkill rivers and it lies about 80 miles (130 km) southwest of New York City.
Population, Census, April 1, 2020 1,603,797 Population, Census, April 1, 2010 1,526,006 Age and Sex Persons under 5 years, percent 6.6% Persons under 18 years, percent 21.7% Persons 65 years and over, percent 13.7% Female persons, percent 52.7% Race and Hispanic Origin White alone, percent 39.3% Black or African American alone, percent(a) 41.4%
Philadelphia, a city in Pennsylvania whose name means City of Brotherly Love, was originally settled by Native American tribes, particularly the Lenape hunter gatherers, around 8000 B.C.