Williamstown, WV ZIP code
The ZIP code for Williamstown, West Virginia is 26187. It is in Wood County.
- Population in these ZIPs
- 6,060
- Avg. median income
- $83,200population-weighted
- Typical home value
- $218,900population-weighted
- Metro area
- Parkersburg-Vienna, WV
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Williamstown, WV ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 26187 | 6,060 | $83,226 | $218,900 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Williamstown
- Vienna 4 mi
- Waverly 7 mi
- Belmont 9 mi
- Parkersburg 10 mi
- Davisville 10 mi
- Walker 13 mi
- Mineral Wells 13 mi
- Saint Marys 14 mi
- Washington 16 mi
- Petroleum 18 mi
- Cairo 18 mi
- Belleville 21 mi
Frequently asked questions
What is the ZIP code for Williamstown, WV?
The ZIP code for Williamstown, WV is 26187.
What county is Williamstown, West Virginia in?
Williamstown ZIP codes are in Wood County.