Calmar, IA -- U.S. city in Iowa Population (2000): 1058 Housing Units (2000): 482 Land area (2000): 1.050830 sq. miles (2.721638 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.050830 sq. miles (2.721638 sq. km) FIPS code: 10045 Located within: Iowa (IA), FIPS 19 Location: 43.182054 N, 91.866446 W ZIP Codes (1990): 52132 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Calmar, IA Calmar