There was a total of almost $37 million of ranches, farms, hunting land and other rural land and acreage for sale in Washington County recently on Land.com. The total of all Washington County farms and ranches for sale was nearly 3,000 acres. Washington County ranks 83rd in the state for the total acreage of land currently advertised for sale. Springfield featured the most land for sale. Manufacturing and related services are the largest economic sectors in Washington County. Washington County is the 65th biggest county (301 square miles) in Kentucky. It's located in the North Central Kentucky region of the state.