2 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Martinsburg | 1 | 19,125 | 18,733 | 0.41% | 2,884 | 7 | City |
| Hedgesville | 2 | 298 | 300 | -0.33% | 2,275 | 0 | Town |
Martinsburg is the largest city in Berkeley County, with a population of 19,125.
Hedgesville is the smallest city in Berkeley County, with a population of 298.
There are 2 cities in Berkeley County, West Virginia.