Berkeley County, West Virginia
Berkeley County, West Virginia, has 139,522 residents (July 2025 estimate). Its county seat is Martinsburg. It uses Eastern Time and covers 321 sq mi (832 km²) of land.
- Resident population, July 2025
- 139,522
- Land area
- 321 sq mi (832 km²)
- County seat or government
- Martinsburg
- Time zone
- Eastern TimeUTC-05:00 in January; UTC-04:00 in July
- Median household income
- $80,815 ± $2,551
- Median home value
- $266,300 ± $7,422
- Median rent, with utilities
- $1,233 ± $69
- Homes lived in by their owners
- 76% ± 1.5 points
- County type
- County
- Metro or micro area
- Hagerstown-Martinsburg, MD-WV metro areaCentral county
- Water area
- 0.41 sq mi (1.06 km²)
- State
- West Virginia
- County code (FIPS)
- 54003
- Coordinates (central point)
- 39.447938, -78.037753
These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.
Time zones in Berkeley County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Eastern TimeAmerica/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.
ZIP Code areas, largest first
- 2540423,990 people
- 2542716,595 people
- 2540316,470 people
- 2540114,979 people
- 2542814,825 people
- 2540514,266 people
- 2541913,201 people
- 2541112,367 people
- 254139,618 people
- 254308,954 people
- 254437,496 people
- 254204,945 people
All 13
- 254210 people
13 ZIP Code areas overlap Berkeley County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.
Official county information
We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Magisterial districts in Berkeley County, largest first
- Shenandoah District27,269 people
- Tuscarora District25,992 people
- Valley District25,048 people
- Potomac District24,204 people
- Adam Stephens District14,226 people
- Norborne District12,775 people
People counts are American Community Survey 2020–2024 5-year estimates. All magisterial districts in West Virginia, by county
School districts in Berkeley County, largest first
- Berkeley County School District129,514 people
Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.
Cities, towns and communities, largest first
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
- Martinsburg, West Virginia (city)18,904 people
- Inwood, West Virginia (CDP)2,794 people
- Falling Waters, West Virginia (CDP)2,183 people
- Hedgesville, West Virginia (town)379 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Jefferson County, West Virginia13 mi southeast
- Morgan County, West Virginia14 mi northwest
- Washington County, Maryland16 mi northeast
- Frederick County, Virginia21 mi southwest
- Clarke County, Virginia23 mi south
Before using this answer on a form
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