A total of nearly 2,000 acres were listed for sale in Marion County, Kentucky, recently, representing a combined almost $16 million in Marion County land for sale. Marion County ranks 80th in the Bluegrass State for the total number of acres of land currently advertised for sale. Lebanon featured the most land for sale. Manufacturing and related services are the largest economic sectors in Marion County. Marion County is Kentucky's 50th biggest county (346 square miles). It's located in the North Central Kentucky region of Kentucky.