There are 12 zip codes in Crawford County, Iowa. The most populated is 51442, located in Denison. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
514429,648Denison
514541,409Manilla
514611,187Schleswig
51439771Charter Oak
51465723Vail
51528642Dow City
51448620Kiron
51467531Westside
51441457Deloit
51520218Arion
5146059Ricketts
5143235Aspinwall

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