Frederika, IA -- U.S. city in Iowa Population (2000): 199 Housing Units (2000): 122 Land area (2000): 0.200292 sq. miles (0.518753 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.200292 sq. miles (0.518753 sq. km) FIPS code: 29010 Located within: Iowa (IA), FIPS 19 Location: 42.882383 N, 92.306068 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Frederika, IA Frederika