There was a total of around $7 million of farmsand rural real estate for sale in Effingham County, Illinois, recently on Land.com. The total acreage of all Effingham County farms, rural land, hunting land and other land for sale was almost 1,000 acres. Effingham County ranks 81st in the Land of Lincoln for the total acreage of land currently advertised for sale. Of all locations in Effingham County with farms and rural land for sale, Effingham featured the most land for sale. Effingham County is Illinois's 59th biggest county (479 square miles). It's located in the Central Illinois region of the state.