5 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Charles Town | 1 | 10,040 | 6,526 | 6.2% | 1,712 | 6 | City |
| Ranson corporation | 2 | 6,314 | 5,477 | 2.27% | 779 | 8 | Corporation |
| Shepherdstown | 3 | 1,522 | 1,528 | -0.07% | 3,796 | 0 | Town |
| Bolivar | 4 | 965 | 1,036 | -1.23% | 2,229 | 0 | Town |
| Harpers Ferry | 5 | 260 | 269 | -0.38% | 486 | 1 | Town |
Charles Town is the largest city in Jefferson County, with a population of 10,040.
Harpers Ferry is the smallest city in Jefferson County, with a population of 260.
There are 5 cities in Jefferson County, West Virginia.