A total of almost 3,000 acres were listed for sale in Virginia's Caroline County recently, representing a total value of nearly $70 million in Caroline County land and rural real estate for sale. Caroline County ranks 43rd out of 133 counties in the Old Dominion for the total number of acres of land currently advertised for sale. Among cities in Caroline County with land for sale, Ruther Glen had the most land for sale. From an economic perspective, government and state-level services contribute most to Caroline County's overall GDP. Caroline County is the 19th largest county (537 square miles) in Virginia. It's located in the Northern Virginia region of Virginia.