ZIP codes in Jackson County
18 ZIPs touch Jackson County, Oregon. The blue dashed line is the county border; orange ZIPs reach into it.
18
ZIP codes
4
cross the county line
295,672
people in these ZIPs
36
counties in OR
Most people
Jackson County ZIP list
More counties in Oregon
- Deschutes County11
- Douglas County30
- Gilliam County5
- Grant County12
- Harney County10
- Hood River County4
- Jefferson County8
- Josephine County13
- Klamath County19
- Lake County10
- Lane County42
- Lincoln County18
Questions people actually ask
How many ZIP codes are in Jackson County, Oregon?
18 ZIP codes reach into Jackson County. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Jackson County has the most people?
97504 (Medford) has about 51,089 residents, the most of any ZIP touching Jackson County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Jackson 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 Jackson 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