The value of all farms, ranches, hunting land and other land for sale in Mercer County, Kentucky, recently was around $44 million, representing a combined 1,226 acres of land for sale in Mercer County. Mercer County ranks 37th out of 120 counties in the Bluegrass State for the total acreage of land currently advertised for sale. Of all farms, ranches, and rural real estate for sale in Mercer County, Harrodsburg had the most land for sale. Manufacturing and related services are the largest economic sectors in Mercer County. Mercer County is Kentucky's 88th largest county (253 square miles). It's located in the North Central Kentucky region of Kentucky.