There are 6 zip codes in Ida County, Iowa. The most populated is 51445, located in Ida Grove. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
514452,526Ida Grove
510251,958Holstein
510061,201Battle Creek
51018613Cushing
51020574Galva
51431463Arthur

Zip Codes in Ida County, Iowa by Population (2024)