Lusby, MD -- U.S. Census Designated Place in Maryland Population (2000): 1666 Housing Units (2000): 656 Land area (2000): 3.498974 sq. miles (9.062301 sq. km) Water area (2000): 0.156994 sq. miles (0.406612 sq. km) Total area (2000): 3.655968 sq. miles (9.468913 sq. km) FIPS code: 48800 Located within: Maryland (MD), FIPS 24 Location: 38.353555 N, 76.436615 W ZIP Codes (1990): 20657 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Lusby, MD Lusby