There was a combined around $15 million of land for sale in Marion County recently on Land.com. The total of all Marion County ranches, farms, hunting land and other rural land and acreage for sale was 2,000 acres. Marion County ranks 83rd out of 120 counties in the Bluegrass State for the combined amount of land currently advertised for sale. Lebanon featured the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Marion County. Marion County is the 50th biggest county (346 square miles) in Kentucky. It's located in the North Central Kentucky region of the state.