Marysville, IA -- U.S. city in Iowa Population (2000): 54 Housing Units (2000): 23 Land area (2000): 0.363206 sq. miles (0.940698 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.363206 sq. miles (0.940698 sq. km) FIPS code: 50070 Located within: Iowa (IA), FIPS 19 Location: 41.181133 N, 92.952301 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Marysville, IA Marysville