ZIP codes in Ashland County
20 ZIPs touch Ashland County, Ohio. The blue dashed line is the county border; orange ZIPs reach into it.
20
ZIP codes
16
cross the county line
150,214
people in these ZIPs
88
counties in OH
Most people
Ashland County ZIP list
More counties in Ohio
- Adams County13
- Allen County21
- Ashtabula County22
- Athens County21
- Auglaize County18
- Belmont County33
- Brown County20
- Butler County23
Questions people actually ask
How many ZIP codes are in Ashland County, Ohio?
20 ZIP codes reach into Ashland County, including 1 PO Box or single-address ZIPs placed by the town they serve. 16 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Ashland County has the most people?
44691 (Wooster) has about 44,344 residents, the most of any ZIP touching Ashland County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Ashland 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 Ashland 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