County · West Virginia · United States
Mercer County ZIP codes
18 ZIP codes · 17 cities · FIPS 54055
Key facts
- State
- West Virginia (WV)
- FIPS code
- 54055
- Population
- 59,062
- Median household income
- $47,799
- Median age
- 43.3
- Land area
- 419 sq mi (1,085.1 km²)
- Population density
- 141 / sq mi
- Area codes
- 304, 681
Cities and ZIP codes in Mercer County (17)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.