Maddock, ND -- U.S. city in North Dakota Population (2000): 498 Housing Units (2000): 276 Land area (2000): 0.881848 sq. miles (2.283976 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.881848 sq. miles (2.283976 sq. km) FIPS code: 49620 Located within: North Dakota (ND), FIPS 38 Location: 47.961104 N, 99.529456 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Maddock, ND Maddock