Philadelphia, recognized 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 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 spot, with more than six million residents as of 2017. Philadelphia is also the economic and cultural anchor of the better Delaware Valley, positioned along the lower Delaware and Schuylkill Rivers, inside 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 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 crucial events occurred in Philadelphia during the Revolutionary War such as the 1st 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 currently being 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 beneath development. In the 19th century, Philadelphia grew to become a major 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 destination for African Americans during the Wonderful Migration right after 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 a lot of universities and colleges make it a prime examine 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 product (GMP) of $490 billion. Philadelphia is the center of economic exercise in Pennsylvania and is house to 5 Fortune 1000 businesses. The Philadelphia skyline is expanding, with a industry of practically 81,900 commercial properties in 2016, such as numerous nationally prominent skyscrapers. Philadelphia has a lot more outdoor sculptures and murals than any other American city. Fairmount Park, when mixed with the adjacent Wissahickon Valley Park in the very same watershed, is one particular of the largest contiguous urban park regions in the United States. The city is recognized for its arts, culture, cuisine, philadelphia escorts and colonial historical past, attracting 42 million domestic visitors in 2016 who invested $six.8 billion, making an estimated $eleven billion in complete economic effect in the city and surrounding four counties of Pennsylvania. Philadelphia has also emerged as a biotechnology hub.