Shenandoah, IA -- U.S. city in Iowa Population (2000): 5546 Housing Units (2000): 2645 Land area (2000): 3.467062 sq. miles (8.979648 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 3.467062 sq. miles (8.979648 sq. km) FIPS code: 72525 Located within: Iowa (IA), FIPS 19 Location: 40.762251 N, 95.370945 W ZIP Codes (1990): 51601 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Shenandoah, IA Shenandoah