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. Because 1854, the city has had the exact same 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 over 6 million residents as of 2017. Philadelphia is also the economic and cultural anchor of the better Delaware Valley, located 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 mixed statistical spot in the United States.
Philadelphia is one particular 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. Many other key occasions occurred in Philadelphia during the Revolutionary War such as 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 till getting overtaken by New York City in 1790 the city was also one particular of the nation’s capitals during the revolution, serving as short-term U.S. capital although Washington, D.C. was underneath construction. In the 19th century, Philadelphia grew to become a key 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 destination for African Americans during the Great Migration following the Civil War, as properly as Puerto Ricans. The city’s population doubled from one particular million to two million folks between 1890 and 1950.
The Philadelphia area’s several universities and colleges make it a top review destination, as the city has evolved into an educational and economic hub. As of 2019, the Philadelphia metropolitan spot is estimated to produce a gross metropolitan merchandise (GMP) of $490 billion. Philadelphia is the center of economic activity in Pennsylvania and is property to five Fortune 1000 companies. The Philadelphia skyline is expanding, with a marketplace of nearly 81,900 commercial properties in 2016, such as several nationally prominent skyscrapers. Philadelphia has far more outside sculptures and murals than any other American city. Fairmount Park, when mixed with the adjacent Wissahickon Valley Park in the exact same watershed, is one particular of the largest contiguous urban park locations in the United States. The city is acknowledged for its arts, culture, cuisine, philadelphia escorts and colonial historical past, attracting 42 million domestic visitors in 2016 who invested $6.8 billion, producing an estimated $11 billion in complete economic influence in the city and surrounding 4 counties of Pennsylvania. Philadelphia has also emerged as a biotechnology hub.