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ZIP codes in Clay County

16 ZIPs touch Clay County, West Virginia. The blue dashed line is the county border; orange ZIPs reach into it.

16

ZIP codes

9

cross the county line

13,884

people in these ZIPs

55

counties in WV

Most people

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Clay County ZIP list

More counties in West Virginia

All 55 counties in West Virginia

Questions people actually ask

How many ZIP codes are in Clay County, West Virginia?

16 ZIP codes reach into Clay County. 9 of them are only partly in the county and also cover a neighboring county.

Which ZIP code in Clay County has the most people?

25045 (Clendenin) has about 4,234 residents, the most of any ZIP touching Clay County, in the Census Bureau’s ACS 2020–2024 estimates.

Can a ZIP code be in Clay 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 Clay 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