There are 6 zip codes in Audubon County, Iowa. The most populated is 50025, located in Audubon. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
500252,937Audubon
500761,463Exira
51543390Kimballton
50042200Brayton
50117145Hamlin
5011035Gray

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