There are 4 zip codes in Gem County, Idaho. The most populated is 83617, located in Emmett. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
8361716,858Emmett
83670717Sweet
83636572Letha
83657343Ola
showing: 4 rows

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