Philadelphia, known 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 one,584,138. Because 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 spot, with in excess of 6 million residents as of 2017. Philadelphia is also the economic 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.two million ranks it as the eighth-largest combined statistical spot in the United States.
Philadelphia is 1 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. A number of other crucial occasions occurred in Philadelphia throughout the Revolutionary War including 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 until currently being overtaken by New York City in 1790 the city was also 1 of the nation’s capitals throughout the revolution, serving as temporary U.S. capital whilst Washington, D.C. was under construction. 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 three 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 throughout the Fantastic Migration following the Civil War, as properly as Puerto Ricans. The city’s population doubled from 1 million to two million folks among 1890 and 1950.
The Philadelphia area’s several 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 spot is estimated to make a gross metropolitan product (GMP) of $490 billion. Philadelphia is the center of economic activity in Pennsylvania and is house to five Fortune 1000 organizations. The Philadelphia skyline is expanding, with a industry of nearly 81,900 industrial properties in 2016, including numerous nationally prominent skyscrapers. Philadelphia has much more outdoor sculptures and murals than any other American city. Fairmount Park, when combined with the adjacent Wissahickon Valley Park in the identical watershed, is 1 of the largest contiguous urban park locations in the United States. The city is known for its arts, culture, cuisine, philadelphia escorts and colonial background, attracting 42 million domestic vacationers in 2016 who spent $6.8 billion, making an estimated $11 billion in total economic effect in the city and surrounding four counties of Pennsylvania. Philadelphia has also emerged as a biotechnology hub.