There are 3 zip codes in Asotin County, Washington. The most populated is 99403, located in Clarkston. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
9940320,425Clarkston
994021,594Asotin
99401383Anatone
showing: 3 rows

Zip Codes in Asotin County, Washington by Population (2024)