A total of 4,000 acres were listed for sale in Virginia's Smyth County recently; the value of all Smyth County land and rural real estate for sale was around $32 million. Smyth County ranks 50th in the Old Dominion for the combined amount of land currently advertised for sale. Of all land for sale in Smyth County, Marion featured the most land for sale. Manufacturing and related services are the largest economic sectors in Smyth County. Smyth County is Virginia's 38th biggest county (452 square miles). It's located in the Mountain Virginia region of the state.