There are 12 zip codes in Madison County, Iowa. The most populated is 50273, located in Winterset. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
502738,866Winterset
500722,892Earlham
502612,866Van Meter
502402,335Saint Charles
500612,310Cumming
500701,250Dexter
502571,131Truro
50149843Lorimor
50222373Peru
50218305Patterson
50155132Macksburg
5003312Bevington

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