Founded in 1801, Jefferson County is one of 55 counties in the state of West Virginia. Historically, Jefferson County was formed from Berkeley County. The city of Charles Town is the county seat. With FIPS code of 37, Jefferson County has a population of 58,370 and area of 210 square miles (544 km2).
List of all cities in Jefferson County, WV alphabetically
| City/Town | Postal Code | Area Code |
| Bakerton, WV | 25410 | 304 |
| Charles Town, WV | 25414 | 304 |
| Halltown, WV | 25423 | 304 |
| Harpers Ferry, WV | 25425 | 304 |
| Kearneysville, WV | 25430 | 304 |
| Middleway, WV | 25430 | 304 |
| Millville, WV | 25432 | 304 |
| Ranson, WV | 25438 | 304 |
| Rippon, WV | 25441 | 304 |
| Shenandoah Junction, WV | 25442 | 304 |
| Shepherdstown, WV | 25443 | 304 |
| Summit Point, WV | 25446 | 304 |