Delhi, IA -- U.S. city in Iowa Population (2000): 458 Housing Units (2000): 218 Land area (2000): 0.972841 sq. miles (2.519647 sq. km) Water area (2000): 0.054303 sq. miles (0.140643 sq. km) Total area (2000): 1.027144 sq. miles (2.660290 sq. km) FIPS code: 19675 Located within: Iowa (IA), FIPS 19 Location: 42.428028 N, 91.329971 W ZIP Codes (1990): 52223 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Delhi, IA Delhi