ZIP codes in Clatsop County
9 ZIPs touch Clatsop County, Oregon. The blue dashed line is the county border; orange ZIPs reach into it.
9
ZIP codes
3
cross the county line
49,329
people in these ZIPs
36
counties in OR
Most people
Clatsop County ZIP list
More counties in Oregon
- Baker County13
- Benton County11
- Clackamas County38
- Columbia County9
- Coos County11
- Crook County7
- Curry County9
- Deschutes County11
- Douglas County30
Questions people actually ask
How many ZIP codes are in Clatsop County, Oregon?
9 ZIP codes reach into Clatsop County. 3 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Clatsop County has the most people?
97103 (Astoria) has about 17,993 residents, the most of any ZIP touching Clatsop County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Clatsop County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Clatsop County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from