Philadelphia, acknowledged colloquially as Philly, is the greatest city in the U.S. state and Commonwealth of Pennsylvania, and the sixth-most populous U.S. city with a 2018 census-estimated population of one,584,138. Given that 1854, the city has had the same geographic boundaries as Philadelphia County, the most populous county in Pennsylvania and the urban core of the eighth-greatest U.S. metropolitan statistical area, with in excess of six million residents as of 2017. Philadelphia is also the economic and cultural anchor of the higher Delaware Valley, found along the reduce Delaware and Schuylkill Rivers, inside the Northeast megalopolis. The Delaware Valley’s population of seven.two million ranks it as the eighth-greatest mixed statistical area in the United States.
Philadelphia is a single of the oldest municipalities in the United States. William Penn, an English Quaker, founded the city in 1682 to serve as capital of the Pennsylvania Colony. Philadelphia played an instrumental part in the American Revolution as a meeting location for the Founding Fathers of the United States, who signed the Declaration of Independence in 1776 at the 2nd Continental Congress, and the Constitution at the Philadelphia Convention of 1787. Many other key events occurred in Philadelphia throughout the Revolutionary War which includes the 1st Continental Congress, the preservation of the Liberty Bell, the Battle of Germantown, and the Siege of Fort Mifflin. Philadelphia remained the nation’s greatest city until currently being overtaken by New York City in 1790 the city was also a single of the nation’s capitals throughout the revolution, serving as short-term U.S. capital even though Washington, D.C. was under construction. In the 19th century, Philadelphia grew to become a significant industrial center and a railroad hub. The city grew from an influx of European immigrants, most of whom came from Ireland, Italy and Germany—the 3 greatest reported ancestry groups in the city as of 2015. In the early 20th century, Philadelphia grew to become a prime location for African Americans throughout the Fantastic Migration right after the Civil War, as properly as Puerto Ricans. The city’s population doubled from a single million to two million individuals among 1890 and 1950.
The Philadelphia area’s numerous universities and colleges make it a leading examine location, as the city has evolved into an educational and economic hub. As of 2019, the Philadelphia metropolitan area is estimated to create a gross metropolitan solution (GMP) of $490 billion. Philadelphia is the center of economic action in Pennsylvania and is house to five Fortune 1000 companies. The Philadelphia skyline is expanding, with a industry of nearly 81,900 commercial properties in 2016, which includes numerous nationally prominent skyscrapers. Philadelphia has more outside sculptures and murals than any other American city. Fairmount Park, when mixed with the adjacent Wissahickon Valley Park in the same watershed, is a single of the greatest contiguous urban park areas in the United States. The city is acknowledged for its arts, culture, cuisine, philadelphia escorts and colonial background, attracting 42 million domestic vacationers in 2016 who spent $six.8 billion, generating an estimated $11 billion in total economic influence in the city and surrounding 4 counties of Pennsylvania. Philadelphia has also emerged as a biotechnology hub.