ZIP code · Williamstown · West Virginia · United States
ZIP code 26187 — Williamstown
ZIP code 26187 serves Williamstown, West Virginia.
- Postal code
- 26187Single source Value from one source, not cross-checked.
- City
- Williamstown
- County
- Wood FIPS 54107
- State
- West Virginia
- Country
- United States
- Coordinates
- 39.3824, -81.4566 — precision precise (locality)
View on OpenStreetMap - Population
- 6,100 (ZCTA, ACS 5-year)
- Population density
- 283 / sq mi
- Land area
- 21.5 sq mi (55.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $80,714
- Per-capita income
- $42,371
- Median age
- 48
- Households
- 2,712
- Housing units
- 2,921
- Median home value
- $183,100
- Median gross rent
- $865 / month
- Congressional district
- WV-2 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 26187 with another ZIP · ZIPs within 25 miles · distance from 26187
Map of ZIP code 26187
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 23°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 40 | 43 | 53 | 66 | 75 | 82 | 85 | 85 | 79 | 67 | 54 | 44 |
| Avg low °F | 23 | 24 | 31 | 41 | 52 | 61 | 65 | 63 | 56 | 44 | 34 | 28 |
| Precip in | 3.5 | 3.1 | 4.0 | 4.0 | 4.3 | 4.9 | 4.8 | 3.6 | 3.4 | 3.2 | 2.9 | 3.6 |
NOAA 1991–2020 climate normals from the nearest station: MARIETTA WWTP (2.2 mi) · NOAA NCEI
Places in ZIP 26187
- 3 schools
- 3 doctors & dentists
- 1 pharmacies
- 6 restaurants & cafés
- 4 parks
- 5 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 11 places of worship
- 1 banks
- 3 gas stations
- 2 EV charging stations
- 3 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page