Edmonston, MD -- U.S. town in Maryland Population (2000): 959 Housing Units (2000): 330 Land area (2000): 0.370127 sq. miles (0.958625 sq. km) Water area (2000): 0.019260 sq. miles (0.049883 sq. km) Total area (2000): 0.389387 sq. miles (1.008508 sq. km) FIPS code: 25425 Located within: Maryland (MD), FIPS 24 Location: 38.950793 N, 76.933423 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Edmonston, MD Edmonston