Dunkerton, IA -- U.S. city in Iowa Population (2000): 749 Housing Units (2000): 292 Land area (2000): 0.944601 sq. miles (2.446506 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.944601 sq. miles (2.446506 sq. km) FIPS code: 22845 Located within: Iowa (IA), FIPS 19 Location: 42.568329 N, 92.160075 W ZIP Codes (1990): 50626 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Dunkerton, IA Dunkerton