Chestertown, MD -- U.S. town in Maryland Population (2000): 4746 Housing Units (2000): 2164 Land area (2000): 2.610418 sq. miles (6.760951 sq. km) Water area (2000): 0.204904 sq. miles (0.530699 sq. km) Total area (2000): 2.815322 sq. miles (7.291650 sq. km) FIPS code: 16225 Located within: Maryland (MD), FIPS 24 Location: 39.219328 N, 76.068424 W ZIP Codes (1990): 21620 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Chestertown, MD Chestertown