The overall value of land and rural real estate for sale in Union County recently on Land.com was around $328 million. This represents around 2,000 acres of farms and rural real estate for sale in Union County. Union County ranks 12th out of 159 counties in the state for the total acreage of land currently advertised for sale. Of all locations in Union County with land for sale, Blairsville featured the most land for sale. Based on its natural assets, tourism and recreation are important factors in the Union County economy. Union County is Georgia's 89th biggest county (329 square miles). It's located in the Blue Ridge Mountains Georgia region of the state.