A total of around 1,000 acres were listed for sale in McDuffie County recently; the value of all McDuffie County farms, rural land, hunting land and other land for sale was $14 million. McDuffie County ranks 151st in the Peach State for the total acreage of land currently advertised for sale. Of all locations in McDuffie County with land for sale, Thomson had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in McDuffie County. McDuffie County is Georgia's 117th largest county (266 square miles). It's located in the Historic South Georgia region of Georgia.