There was a total of nearly $7 million of land and rural real estate for sale in Alexander County, Illinois, recently on Land.com. The total size of all Alexander County farms, hunting land and other rural land and acreage for sale was around 2,000 acres. Alexander County ranks 74th out of 102 counties in the Land of Lincoln for the total acreage of land currently advertised for sale. Of all locations in Alexander County with farms and rural land for sale, Mcclure had the most land for sale. From an economic perspective, government and state-level services contribute most to Alexander County's overall GDP. Alexander County is the 96th largest county (252 square miles) in Illinois. It's located in the Southern Illinois region of the state.