There are 5 zip codes in Madison County, Idaho. The most populated is 83440, located in Rexburg. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
8344049,410Rexburg
834483,166Sugar City
834511,038Teton
83436860Newdale
8346018Rexburg

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