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. 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 region, with above 6 million residents as of 2017. Philadelphia is also the economic and cultural anchor of the better Delaware Valley, found along the decrease Delaware and Schuylkill Rivers, within 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 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 for the duration 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 largest city until finally getting overtaken by New York City in 1790 the city was also one particular of the nation’s capitals for the duration of the revolution, serving as short-term U.S. capital although Washington, D.C. was underneath building. 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 following the Civil War, as nicely as Puerto Ricans. The city’s population doubled from one particular million to two million individuals between 1890 and 1950.
The Philadelphia area’s many universities and schools make it a prime review location, as the city has evolved into an educational and economic hub. As of 2019, the Philadelphia metropolitan region is estimated to produce a gross metropolitan product (GMP) of $490 billion. Philadelphia is the center of economic action in Pennsylvania and is residence to five Fortune one thousand organizations. The Philadelphia skyline is expanding, with a industry of almost 81,900 commercial properties in 2016, which includes a number of nationally prominent skyscrapers. Philadelphia has much more outside 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 areas in the United States. The city is acknowledged for its arts, culture, cuisine, philadelphia escorts and colonial historical past, attracting 42 million domestic travelers in 2016 who spent $6.8 billion, making an estimated $eleven billion in complete economic impact in the city and surrounding 4 counties of Pennsylvania. Philadelphia has also emerged as a biotechnology hub.