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 1,584,138. Considering that 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-largest U.S. metropolitan statistical area, with above six million residents as of 2017. Philadelphia is also the financial and cultural anchor of the greater Delaware Valley, found along the reduce Delaware and Schuylkill Rivers, inside of the Northeast megalopolis. The Delaware Valley’s population of seven.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 area 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 for the duration of the Revolutionary War such as 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 right up until being 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 even though 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 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 for the duration of the Excellent Migration after the Civil War, as properly as Puerto Ricans. The city’s population doubled from a single million to two million folks among 1890 and 1950.
The Philadelphia area’s several universities and schools make it a best examine location, as the city has evolved into an educational and financial hub. As of 2019, the Philadelphia metropolitan area is estimated to create a gross metropolitan solution (GMP) of $490 billion. Philadelphia is the center of financial exercise in Pennsylvania and is residence to five Fortune 1000 companies. The Philadelphia skyline is expanding, with a market place of almost 81,900 business properties in 2016, such as many nationally prominent skyscrapers. Philadelphia has far more outside sculptures and murals than any other American city. Fairmount Park, when combined with the adjacent Wissahickon Valley Park in the very same watershed, is a single of the largest contiguous urban park areas in the United States. The city is known for its arts, culture, cuisine, philadelphia escorts and colonial history, attracting 42 million domestic travelers in 2016 who spent $six.8 billion, creating an estimated $eleven billion in total financial affect in the city and surrounding 4 counties of Pennsylvania. Philadelphia has also emerged as a biotechnology hub.