Mercer County is in Western Illinois. Of the 102 counties in the Land of Lincoln, Mercer County ranks 44th in terms of size (363,963 acres). Recent listings of timberland for sale in Mercer County, Illinois, totals around 1,000 acres and a combined market value of about $200,000. By overall acreage, residential property is the most common type of land for sale in Mercer County. The average price of planted forestland for sale in Mercer County was $29,501. Browse all Illinois forest and timberland for sale on the Land Network to find the right timberland acreage for your commercial or individual investment needs.