The total value of land for sale in Mercer County, Kentucky, recently on Land.com was around $40 million. This represents nearly 1,000 acres of ranches, farms, hunting land and other rural land and acreage for sale in Mercer County. Mercer County ranks 47th in the state for the total number of acres of land currently advertised for sale. Of all farms, ranches, hunting land and other land for sale in Mercer County, Harrodsburg featured the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Mercer County. Mercer County is the 88th largest county (253 square miles) in Kentucky. It's located in the North Central Kentucky region of Kentucky.