Numa, IA -- U.S. city in Iowa Population (2000): 109 Housing Units (2000): 66 Land area (2000): 0.443643 sq. miles (1.149030 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.443643 sq. miles (1.149030 sq. km) FIPS code: 57945 Located within: Iowa (IA), FIPS 19 Location: 40.685566 N, 92.978596 W ZIP Codes (1990): 52575 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Numa, IA Numa