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.

Zip Code
City
Population
83440Rexburg49,410
83448Sugar City3,166
83451Teton1,038
83436Newdale860
83460Rexburg18

Madison County, Idaho Zip Codes by Population (2024)