Philadelphia, acknowledged 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. Considering that 1854, the city has had the identical 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 over six million residents as of 2017. Philadelphia is also the economic and cultural anchor of the higher Delaware Valley, situated along the reduced Delaware and Schuylkill Rivers, inside the Northeast megalopolis. The Delaware Valley’s population of 7.two million ranks it as the eighth-largest combined 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 function in the American Revolution as a meeting place 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. Many other key events occurred in Philadelphia for the duration of the Revolutionary War including the Very 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 right up until becoming overtaken by New York City in 1790 the city was also a single of the nation’s capitals for the duration of the revolution, serving as temporary U.S. capital although Washington, D.C. was beneath 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 largest reported ancestry groups in the city as of 2015. In the early 20th century, Philadelphia grew to become a prime location for African Americans for the duration of 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 in between 1890 and 1950.
The Philadelphia area’s numerous universities and colleges make it a best examine location, as the city has evolved into an educational and economic hub. As of 2019, the Philadelphia metropolitan area is estimated to produce a gross metropolitan item (GMP) of $490 billion. Philadelphia is the center of economic exercise in Pennsylvania and is home to 5 Fortune one thousand businesses. The Philadelphia skyline is expanding, with a marketplace of nearly 81,900 industrial properties in 2016, including several nationally prominent skyscrapers. Philadelphia has more outside sculptures and murals than any other American city. Fairmount Park, when combined with the adjacent Wissahickon Valley Park in the identical watershed, is a single of the largest contiguous urban park areas in the United States. The city is acknowledged for its arts, culture, cuisine, philadelphia escorts and colonial historical past, attracting 42 million domestic travelers in 2016 who spent $six.eight billion, making an estimated $eleven billion in complete economic affect in the city and surrounding four counties of Pennsylvania. Philadelphia has also emerged as a biotechnology hub.