Philadelphia is the largest city in the Commonwealth of Pennsylvania, the second largest city on the East Coast of the United States, and the fifth-most-populous city in the United States. It is located in the Northeastern United States along the Delaware and Schuylkill rivers, and it is the only consolidated city-county in Pennsylvania. As of the 2010 Census, the city had a population of 1,526,006, growing to 1,547,607 in 2012 by Census estimates.
Philadelphia
![Philadelphia aerial photo of buildings](https://freeyorkk.b-cdn.net/wp-content/uploads/2022/01/guy5as3gvga-758x505.jpg)