Philadelphia, identified colloquially as Philly, is the largest 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 1,584,138. Given that 1854, the city has had the exact same geographic boundaries as Philadelphia County, the most populous county in Pennsylvania and the urban core of the eighth-largest U.S. metropolitan statistical area, with above six million residents as of 2017. Philadelphia is also the financial and cultural anchor of the better Delaware Valley, situated along the reduce Delaware and Schuylkill Rivers, within the Northeast megalopolis. The Delaware Valley’s population of seven.2 million ranks it as the eighth-largest 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 role 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 Second Continental Congress, and the Constitution at the Philadelphia Convention of 1787. A number of other essential occasions occurred in Philadelphia during the Revolutionary War like the First Continental Congress, the preservation of the Liberty Bell, the Battle of Germantown, and the Siege of Fort Mifflin. Philadelphia remained the nation’s largest city till getting overtaken by New York City in 1790 the city was also a single of the nation’s capitals during the revolution, serving as short-term U.S. capital although Washington, D.C. was underneath development. In the 19th century, Philadelphia became a main 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 three largest reported ancestry groups in the city as of 2015. In the early 20th century, Philadelphia became a prime location for African Americans during the Great Migration right after the Civil War, as nicely as Puerto Ricans. The city’s population doubled from a single million to two million individuals among 1890 and 1950.
The Philadelphia area’s a lot of universities and colleges make it a leading review location, as the city has evolved into an educational and financial hub. As of 2019, the Philadelphia metropolitan area is estimated to produce a gross metropolitan merchandise (GMP) of $490 billion. Philadelphia is the center of financial exercise in Pennsylvania and is house to five Fortune one thousand organizations. The Philadelphia skyline is expanding, with a marketplace of nearly 81,900 commercial properties in 2016, like several nationally prominent skyscrapers. Philadelphia has far more outdoor sculptures and murals than any other American city. Fairmount Park, when mixed with the adjacent Wissahickon Valley Park in the exact same watershed, is a single of the largest contiguous urban park regions in the United States. The city is identified for its arts, culture, cuisine, philadelphia escorts and colonial historical past, attracting 42 million domestic tourists in 2016 who spent $six.8 billion, producing an estimated $11 billion in complete financial effect in the city and surrounding 4 counties of Pennsylvania. Philadelphia has also emerged as a biotechnology hub.