Effingham County is in Central Illinois. Of the 102 counties in the Inland Empire, Effingham County is 59th in terms of its size (307,189 acres). Recent listings of residential land for sale in Illinois's Effingham County totals around 1,000 acres and a combined market value of roughly $6 million. The most common type of land for sale by combined acreage in Effingham County is house. The average price of residential acreage for sale in Effingham County was $483,058. Browse all residential land and rural property for sale in Illinois to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.