ZIP codes in Baker County
13 ZIPs touch Baker County, Oregon. The blue dashed line is the county border; orange ZIPs reach into it.
13
ZIP codes
5
cross the county line
18,702
people in these ZIPs
36
counties in OR
Most people
Baker County ZIP list
More counties in Oregon
Questions people actually ask
How many ZIP codes are in Baker County, Oregon?
13 ZIP codes reach into Baker County. 5 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Baker County has the most people?
97814 (Baker City) has about 12,590 residents, the most of any ZIP touching Baker County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Baker 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 Baker 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