| County Name | Clarke County |
| County Seat | Berryville |
| Cities, Towns, and Communities | Berryville, Boyce, White Post, Millwood |
| Interstates and Highways | VA-7, US-340, VA-255 |
| Etymology | Named after George Rogers Clark, a Revolutionary War general |
| FIPS Code | 51-043 |
| Total Area (Land and Water) | 178 sq mi (Land: 176 sq mi; Water: 2 sq mi) |
| Time Zone | Eastern Time Zone (ET) |
| State | Virginia |
| Coordinates | 39.1518° N, 77.9831° W |
| Major Landmarks | Shenandoah River, Sky Meadows State Park, Blandy Experimental Farm |
| Adjacent Counties (and Direction) | Loudoun County (East), Warren County (Southwest), Fauquier County (Southeast), Frederick County (West), Jefferson County, West Virginia (North) |
| Population | Approximately 15,000 |