Napoleon, ND -- U.S. city in North Dakota Population (2000): 857 Housing Units (2000): 420 Land area (2000): 1.389435 sq. miles (3.598620 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.389435 sq. miles (3.598620 sq. km) FIPS code: 55420 Located within: North Dakota (ND), FIPS 38 Location: 46.504657 N, 99.766979 W ZIP Codes (1990): 58561 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Napoleon, ND Napoleon