There are 10 zip codes in Canyon County, Idaho. The most populated is 83686, located in Nampa. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
8368656,267Nampa
8360539,636Caldwell
8368737,095Nampa
8365136,863Nampa
8360734,178Caldwell
8364415,349Middleton
836606,578Parma
836765,373Wilder
836261,362Greenleaf
83656620Notus

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