The overall value of farms, rural land, hunting land and other land for sale in Caroline County recently on Land.com was around $65 million. This represents around 3,000 acres of land and rural real estate for sale in Caroline County. Caroline County ranks 50th out of 133 counties in the state for the combined amount of land currently advertised for sale. Among cities in Caroline County with farms and rural 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 the state.