Facts about Philadelphia County, Pennsylvania
Philadelphia County is the most populous county in the U.S. state and Commonwealth of Pennsylvania. As of 2017, Philadelphia County was home to an estimated population of 1,580,863 residents. The county is the second smallest county in Pennsylvania by land area. Philadelphia County is one of the three original counties, along with Chester and Bucks counties, created by William Penn during November 1682. Since 1854, the county has been coterminous with the City of Philadelphia, which also serves as its seat of government. Philadelphia County is part of the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD (Combined Statistical Area, known as the Delaware Valley, located along the lower Delaware and Schuylkill Rivers, within the Northeast megalopolis. Philadelphia County is the economic and cultural anchor of the Delaware Valley, the eighth-largest combined statistical area in the United States, with a population of 7.2 million.
According to the U.S. Census Bureau, Philadelphia County has a total area of 143 square miles (370 km²), of which 134 square miles (350 km²) is land and 8.6 square miles (22 km²) (6.0%) is water. It is the second-smallest county in Pennsylvania by area. Bodies of water include the Delaware River, Schuylkill River, Cobbs Creek, Wissahickon Creek, and Pennypack Creek. The lowest point in the county is 10 feet above sea level near Fort Mifflin in Southwest Philadelphia, at the convergence of the Delaware and Schuylkill Rivers. The highest point is in Chestnut Hill, at 432 feet above sea level, near Evergreen Place, just north and west of Evergreen Avenue.
At the 2000 census, there were 1,517,550 people, 590,071 households and 352,272 families residing in the county. The population density was 11,233.6/square mile (4,337.3/km²). There were 661,958 housing units with an average density of 4,900.1/sq mi (1,891.9/km²). and the racial composition of the county was 45.0% White, 43.2% African American, 5.5% Asian, 0.3% Native American, 0.1% Pacific Islander, 5.8% from other races, and 2.2% from two or more races. Hispanic or Latino of any race were 8.5% of the population. The five largest ancestries include Irish (13.6%), Italian (9.2%), German (8.1%), Polish (4.3%), and English (2.9%).
Of the 590,071 households, 27.6% had children under the age of 18 living with them, 32.1% were married couples living together, 22.3% had a female householder with no husband present, and 40.3% were non-families. 33.8% of all households were made up of individuals and 11.9% had someone living alone who was 65 years of age or older. The average household size was 2.48 and the average family size was 3.22.
Serving Philadelphia County, Pennsylvania
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