There are 4 zip codes in Boundary County, Idaho. The most populated is 83805, located in Bonners Ferry. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
City
Population
83805Bonners Ferry8,775
83845Moyie Springs1,913
83847Naples1,527
83826Eastport101

Boundary County, Idaho Zip Codes by Population (2024)