Chester is a city in Delaware County, Pennsylvania, United States. With a population of 33,972 at the 2010 census it is the largest city in Delaware County. Incorporated in 1682, Chester is the oldest city in Pennsylvania and is located on the western bank of the Delaware River between the cities of Philadelphia and Wilmington, Delaware.
Chester borders on (clockwise from southwest to northeast) Trainer Borough, Upper Chichester Township, Chester Township, Upland Borough, Parkside Borough, Brookhaven Borough, Nether Providence Township, Ridley Township, and Eddystone Borough in Pennsylvania. Chester is bordered to the south by the Delaware River. The city has a total area of 6.0 square miles (15.6 km²), 4.8 square miles (12.5 km²) of which is land and 1.2 square miles (3.0 km²) of which (19.42%) is water, according to the United States Census Bureau. Chester Creek meets the Delaware River in Chester. The northeastern border of Chester is defined by Ridley Creek.
As of Census 2010, the racial makeup of the city was 74.7% African American, 17.2% White, 9.0% Hispanic or Latino of any race, 0.6% Asian, 0.4% Native American, 0.1% Native Hawaiian and other Pacific Islander, 3.9% from other races, and 3.0% from two or more races.
There were 11,662 households, out of which 37.3% had children under the age of 18, 19.5% were headed by married couples living together, 35.6% had a female householder with no husband present, and 38.1% were non-families. 31.2% of all households were made up of individuals, and 11.1% were someone living alone who was 65 years of age or older. The average household size was 2.64, and the average family size was 3.34.
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