There are 7 zip codes in Clatsop County, Oregon. The most populated is 97103, located in Astoria. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
9710317,914Astoria
9713811,260Seaside
971467,438Warrenton
971211,714Hammond
971101,185Cannon Beach
97102420Arch Cape
97145224Tolovana Park

Zip Codes in Clatsop County, Oregon by Population (2024)