Chester -- U.S. County in Pennsylvania Population (2000): 433501 Housing Units (2000): 163773 Land area (2000): 755.968767 sq. miles (1957.950036 sq. km) Water area (2000): 3.837420 sq. miles (9.938873 sq. km) Total area (2000): 759.806187 sq. miles (1967.888909 sq. km) Located within: Pennsylvania (PA), FIPS 42 Location: 39.988807 N, 75.683302 W Headwords: Chester Chester, PA Chester County Chester County, PA