A combined approximately 3,000 acres were listed for sale in Caroline County recently; the combined value of all Caroline County farms, hunting land and other rural land and acreage for sale was almost $74 million. Caroline County ranks 40th out of 133 counties in the Old Dominion for the total acreage of land currently advertised for sale. Among cities in Caroline County with farms, hunting land and other rural land and acreage 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 Virginia's 19th largest county (537 square miles). It's located in the Northern Virginia region of the state.