There are 9 zip codes in Bannock County, Idaho. The most populated is 83201, located in Pocatello. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
8320139,170Pocatello
8320222,716Pocatello
832452,411Inkom
832502,095Mccammon
832341,462Downey
832091,308Pocatello
832461,106Lava Hot Springs
83214665Arimo
8328181Swanlake

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