A total of 1,000 acres were listed for sale in Illinois's Effingham County recently; the combined value of all Effingham County land for sale was approximately $6 million. Effingham County ranks 85th out of 102 counties in Illinois for the combined amount of land currently advertised for sale. Of all farms and rural real estate for sale in Effingham County, Effingham had the most land for sale. Effingham County is the 59th largest county (479 square miles) in Illinois. It's located in the Central Illinois region of the state.