There are 5 zip codes in Custer County, Idaho. The most populated is 83226, located in Challis. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
832262,296Challis
832511,286Mackay
83278372Stanley
83235124Ellis
8322770Clayton

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