There are 6 zip codes in Cassia County, Idaho. The most populated is 83318, located in Burley. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
8331819,324Burley
833231,646Declo
833421,370Malta
833461,367Oakley
83311690Albion
83312137Almo
showing: 6 rows

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