ZIP codes in Muskingum County
24 ZIPs touch Muskingum County, Ohio. The blue dashed line is the county border; orange ZIPs reach into it.
24
ZIP codes
13
cross the county line
137,291
people in these ZIPs
88
counties in OH
Most people
Muskingum County ZIP list
More counties in Ohio
- Mercer County18
- Miami County19
- Monroe County17
- Montgomery County56
- Morgan County11
- Morrow County18
- Noble County15
- Ottawa County20
- Paulding County15
- Perry County17
- Pickaway County18
- Pike County13
Questions people actually ask
How many ZIP codes are in Muskingum County, Ohio?
24 ZIP codes reach into Muskingum County, including 1 PO Box or single-address ZIPs placed by the town they serve. 13 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Muskingum County has the most people?
43701 (Zanesville) has about 56,402 residents, the most of any ZIP touching Muskingum County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Muskingum 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 Muskingum 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