Of 102 counties in the Inland Empire, Effingham County ranks 59th in terms of size (479 square miles). Effingham County is in Central Illinois. Effingham County, Illinois, includes nearly 1,000 acres of timberland for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was about $500,000. 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.