Oakland, IA -- U.S. city in Iowa Population (2000): 1487 Housing Units (2000): 635 Land area (2000): 1.507117 sq. miles (3.903416 sq. km) Water area (2000): 0.015559 sq. miles (0.040298 sq. km) Total area (2000): 1.522676 sq. miles (3.943714 sq. km) FIPS code: 58080 Located within: Iowa (IA), FIPS 19 Location: 41.308492 N, 95.395565 W ZIP Codes (1990): 51560 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Oakland, IA Oakland