ZIP codes in Tillamook County
17 ZIPs touch Tillamook County, Oregon. The blue dashed line is the county border; orange ZIPs reach into it.
17
ZIP codes
4
cross the county line
32,126
people in these ZIPs
36
counties in OR
Most people
Tillamook County ZIP list
More counties in Oregon
- Malheur County14
- Marion County35
- Morrow County7
- Multnomah County70
- Polk County11
- Sherman County5
- Umatilla County13
- Union County8
- Wallowa County5
- Wasco County9
- Washington County37
- Wheeler County5
Questions people actually ask
How many ZIP codes are in Tillamook County, Oregon?
17 ZIP codes reach into Tillamook County, including 1 PO Box or single-address ZIPs placed by the town they serve. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Tillamook County has the most people?
97141 (Tillamook) has about 13,086 residents, the most of any ZIP touching Tillamook County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Tillamook 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 Tillamook 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