ZIP codes in Morgan County
11 ZIPs touch Morgan County, Ohio. The blue dashed line is the county border; orange ZIPs reach into it.
11
ZIP codes
10
cross the county line
38,369
people in these ZIPs
88
counties in OH
Most people
Morgan County ZIP list
More counties in Ohio
- Medina County26
- Meigs County17
- Mercer County18
- Miami County19
- Monroe County17
- Montgomery County56
- Morrow County18
- Muskingum County24
- Noble County15
- Ottawa County20
- Paulding County15
- Perry County17
Questions people actually ask
How many ZIP codes are in Morgan County, Ohio?
11 ZIP codes reach into Morgan County. 10 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Morgan County has the most people?
43724 (Caldwell) has about 9,133 residents, the most of any ZIP touching Morgan County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Morgan 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 Morgan 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