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 one,584,138. Given that 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 region, with in excess of 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, inside the Northeast megalopolis. The Delaware Valley’s population of 7.two million ranks it as the eighth-largest mixed statistical region 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 2nd Continental Congress, and the Constitution at the Philadelphia Convention of 1787. Many other crucial events occurred in Philadelphia in the course of the Revolutionary War like 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 till becoming overtaken by New York City in 1790 the city was also one particular of the nation’s capitals in the course of the revolution, serving as short-term U.S. capital although Washington, D.C. was under building. 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 location for African Americans in the course of the Fantastic Migration after the Civil War, as nicely as Puerto Ricans. The city’s population doubled from one particular million to two million individuals amongst 1890 and 1950.
The Philadelphia area’s several universities and schools make it a top study location, as the city has evolved into an educational and economic hub. As of 2019, the Philadelphia metropolitan region is estimated to create a gross metropolitan product (GMP) of $490 billion. Philadelphia is the center of economic exercise in Pennsylvania and is property to five Fortune one thousand businesses. The Philadelphia skyline is expanding, with a market of nearly 81,900 industrial properties in 2016, like a number of nationally prominent skyscrapers. Philadelphia has much more outdoor sculptures and murals than any other American city. Fairmount Park, when mixed with the adjacent Wissahickon Valley Park in the identical watershed, is one particular of the largest contiguous urban park regions in the United States. The city is acknowledged for its arts, culture, cuisine, philadelphia escorts and colonial historical past, attracting 42 million domestic tourists in 2016 who spent $6.8 billion, generating 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.