what county is saltville, va in
Saltville, Virginia. Saltville is a town in Smyth and Washington counties in the U.S. state of Virginia. The population was 2,077 at the 2010 census. It is part of the KingsportâBristol (TN)âBristol (VA) Metropolitan Statistical Area, which is a component of the Johnson CityâKingsportâBristol, TN-VA Combined Statistical Area â commonly known as the Tri-Cities region.