Palmer, IA -- U.S. city in Iowa Population (2000): 214 Housing Units (2000): 104 Land area (2000): 0.425634 sq. miles (1.102386 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.425634 sq. miles (1.102386 sq. km) FIPS code: 61050 Located within: Iowa (IA), FIPS 19 Location: 42.630929 N, 94.599948 W ZIP Codes (1990): 50571 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Palmer, IA Palmer