Of 102 counties in the Prairie State, Effingham County is 59th in terms of its size (479 square miles). Effingham County is in Central Illinois. A recent survey of Land Network data shows approximately 1,000 acres of timberland for sale in Illinois's Effingham County, which is valued at a combined $408,600. Browse all Effingham County forest and timberland for sale on the Land Network to find the right timberland acreage for your commercial or individual investment needs. The most common type of land for sale by combined acreage in Effingham County is residential property.