There are 4 zip codes in Power County, Idaho. The most populated is 83204, located in Pocatello. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
8320418,465Pocatello
832116,399American Falls
83212388Arbon
83271334Rockland

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