Philadelphia, recognized colloquially as Philly, is the biggest 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. Because 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-biggest U.S. metropolitan statistical location, with over six million residents as of 2017. Philadelphia is also the economic and cultural anchor of the better Delaware Valley, found along the reduced Delaware and Schuylkill Rivers, within the Northeast megalopolis. The Delaware Valley’s population of seven.two million ranks it as the eighth-biggest mixed statistical location in the United States.
Philadelphia is one 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 spot 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. Numerous other key 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 biggest city until finally being overtaken by New York City in 1790 the city was also one of the nation’s capitals during the revolution, serving as short-term U.S. capital whilst Washington, D.C. was underneath development. In the 19th century, Philadelphia grew to become 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 3 biggest reported ancestry groups in the city as of 2015. In the early 20th century, Philadelphia grew to become a prime location for African Americans during the Great Migration after the Civil War, as properly as Puerto Ricans. The city’s population doubled from one million to two million men and women between 1890 and 1950.
The Philadelphia area’s numerous universities and schools make it a top study location, as the city has evolved into an educational and economic hub. As of 2019, the Philadelphia metropolitan location is estimated to create a gross metropolitan solution (GMP) of $490 billion. Philadelphia is the center of economic exercise in Pennsylvania and is residence to five Fortune 1000 companies. The Philadelphia skyline is expanding, with a industry of almost 81,900 business properties in 2016, like a number of nationally prominent skyscrapers. Philadelphia has more outdoor sculptures and murals than any other American city. Fairmount Park, when mixed with the adjacent Wissahickon Valley Park in the same watershed, is one of the biggest contiguous urban park areas in the United States. The city is recognized for its arts, culture, cuisine, philadelphia escorts and colonial history, attracting 42 million domestic travelers in 2016 who spent $six.eight billion, producing an estimated $11 billion in total economic impact in the city and surrounding four counties of Pennsylvania. Philadelphia has also emerged as a biotechnology hub.