Manchester, MD -- U.S. town in Maryland Population (2000): 3329 Housing Units (2000): 1176 Land area (2000): 1.942961 sq. miles (5.032246 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.942961 sq. miles (5.032246 sq. km) FIPS code: 49950 Located within: Maryland (MD), FIPS 24 Location: 39.661762 N, 76.888014 W ZIP Codes (1990): 21102 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Manchester, MD Manchester