Peterson, IA -- U.S. city in Iowa Population (2000): 372 Housing Units (2000): 200 Land area (2000): 0.307807 sq. miles (0.797216 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.307807 sq. miles (0.797216 sq. km) FIPS code: 62625 Located within: Iowa (IA), FIPS 19 Location: 42.918490 N, 95.341502 W ZIP Codes (1990): 51047 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Peterson, IA Peterson