Hawarden, IA -- U.S. city in Iowa Population (2000): 2478 Housing Units (2000): 1098 Land area (2000): 2.879504 sq. miles (7.457881 sq. km) Water area (2000): 0.128323 sq. miles (0.332356 sq. km) Total area (2000): 3.007827 sq. miles (7.790237 sq. km) FIPS code: 35265 Located within: Iowa (IA), FIPS 19 Location: 43.001145 N, 96.484541 W ZIP Codes (1990): 51023 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Hawarden, IA Hawarden