Washington County is a county located in the Commonwealth of Virginia. As of the 2020 census, the population was 53,935. Its county seat is Abingdon.

Abingdon is a town in Washington County, Virginia, United States, 133 miles (214 km) southwest of Roanoke. The population was 8,376 at the 2020 census. It is the county seat of Washington County. The town encompasses several historically significant sites and features a fine arts and crafts scene centered on the galleries and museums along Main Street.