Philadelphia, known 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. Because 1854, the city has had the very same geographic boundaries as Philadelphia County, the most populous county in Pennsylvania and the urban core of the eighth-greatest U.S. metropolitan statistical spot, with more than six million residents as of 2017. Philadelphia is also the financial and cultural anchor of the higher Delaware Valley, located along the lower Delaware and Schuylkill Rivers, inside of the Northeast megalopolis. The Delaware Valley’s population of 7.two million ranks it as the eighth-greatest 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 position 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 important events occurred in Philadelphia in the course of the Revolutionary War which includes 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 greatest city until finally being overtaken by New York City in 1790 the city was also 1 of the nation’s capitals in the course of the revolution, serving as temporary U.S. capital whilst Washington, D.C. was beneath 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 3 greatest reported ancestry groups in the city as of 2015. In the early 20th century, Philadelphia grew to become a prime destination for African Americans in the course of the Fantastic Migration right after the Civil War, as effectively as Puerto Ricans. The city’s population doubled from 1 million to two million folks between 1890 and 1950.
The Philadelphia area’s numerous universities and schools make it a best review destination, as the city has evolved into an educational and financial hub. As of 2019, the Philadelphia metropolitan spot is estimated to produce a gross metropolitan product (GMP) of $490 billion. Philadelphia is the center of financial activity in Pennsylvania and is house to five Fortune 1000 firms. The Philadelphia skyline is expanding, with a marketplace of nearly 81,900 commercial properties in 2016, which includes 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 very same watershed, is 1 of the greatest contiguous urban park places in the United States. The city is known for its arts, culture, cuisine, philadelphia escorts and colonial historical past, attracting 42 million domestic visitors in 2016 who invested $six.8 billion, producing an estimated $eleven billion in complete financial influence in the city and surrounding 4 counties of Pennsylvania. Philadelphia has also emerged as a biotechnology hub.