Schleswig, IA -- U.S. city in Iowa Population (2000): 833 Housing Units (2000): 411 Land area (2000): 1.314970 sq. miles (3.405756 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.314970 sq. miles (3.405756 sq. km) FIPS code: 71130 Located within: Iowa (IA), FIPS 19 Location: 42.163614 N, 95.434944 W ZIP Codes (1990): 51461 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Schleswig, IA Schleswig