New Market, MD -- U.S. town in Maryland Population (2000): 427 Housing Units (2000): 170 Land area (2000): 0.667978 sq. miles (1.730055 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.667978 sq. miles (1.730055 sq. km) FIPS code: 55650 Located within: Maryland (MD), FIPS 24 Location: 39.383533 N, 77.273450 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: New Market, MD New Market