Effingham County is in Central Illinois. Of the 102 counties in the Land of Lincoln, Effingham County is 59th in terms of its size (307,189 acres). The total value of roughly 1,000 acres of residential land recently listed for sale in Illinois's Effingham County was roughly $5 million. The average price of residential acreage for sale in Effingham County was $488,427. 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.