Land for sale in Madison County recently totaled nearly $180 million and approximately 3,000 acres. Madison County ranks seventh out of 120 counties in the Bluegrass State for the combined amount of land currently advertised for sale. Of all farms, ranches, hunting land and other land for sale in Madison County, Richmond had the most land for sale. From an economic perspective, government and state-level services contribute most to Madison County's overall GDP. Madison County is Kentucky's 25th largest county (443 square miles). It's located in the North Central Kentucky region of Kentucky.