Mercer County, West Virginia
Mercer County is a county in West Virginia. Its county FIPS code is 54055. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 54055
- Representative coordinates
- 37.403448, -81.106456
- County type
- County
- County seat or government
- Princeton
- Resident population, July 2025
- 57,503
- Land area
- 1,085.106 km²
- Water area
- 4.442 km²
- State
- West Virginia
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Mercer County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
24701 · 24712 · 24714 · 24715 · 24724 · 24729 · 24731 · 24733 · 24736 · 24737 · 24738 · 24739 · 24740 · 24747 · 25820 · 25841 · 25902 · 25922 · 25971 · 25979
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.