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 at the confluence of
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 is the economic and cultural center of the