ZIP codes in Wasco County
9 ZIPs touch Wasco County, Oregon. The blue dashed line is the county border; orange ZIPs reach into it.
9
ZIP codes
2
cross the county line
42,807
people in these ZIPs
36
counties in OR
Most people
Wasco County ZIP list
More counties in Oregon
- Polk County11
- Sherman County5
- Tillamook County17
- Umatilla County13
- Union County8
- Wallowa County5
- Washington County37
- Wheeler County5
- Yamhill County15
Questions people actually ask
How many ZIP codes are in Wasco County, Oregon?
9 ZIP codes reach into Wasco County. 2 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Wasco County has the most people?
97058 (The Dalles) has about 20,360 residents, the most of any ZIP touching Wasco County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Wasco 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 Wasco 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