There are 8 zip codes in Columbia County, Oregon. The most populated is 97051, located in Saint Helens. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Zip Code
City
Population
97051Saint Helens17,543
97056Scappoose12,645
97048Rainier7,283
97016Clatskanie6,551
97053Warren3,662
97064Vernonia3,462
97018Columbia City1,773
97054Deer Island1,313

Columbia County, Oregon Zip Codes by Population (2024)