ZIP codes in Scioto County
24 ZIPs touch Scioto County, Ohio. The blue dashed line is the county border; orange ZIPs reach into it.
24
ZIP codes
14
cross the county line
123,774
people in these ZIPs
88
counties in OH
Most people
Scioto County ZIP list
More counties in Ohio
- Portage County27
- Preble County16
- Putnam County21
- Richland County21
- Ross County17
- Sandusky County17
- Seneca County20
- Shelby County19
- Stark County51
- Summit County56
- Trumbull County34
- Tuscarawas County28
Questions people actually ask
How many ZIP codes are in Scioto County, Ohio?
24 ZIP codes reach into Scioto County, including 2 PO Box or single-address ZIPs placed by the town they serve. 14 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Scioto County has the most people?
45662 (Portsmouth) has about 26,909 residents, the most of any ZIP touching Scioto County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Scioto 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 Scioto 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