Clay County is in Southern Illinois. Of the 102 counties in the Land of Lincoln, Clay County ranks 60th in terms of size (469 square miles). There is around 4,000 acres of timberland for sale in Illinois's Clay County based on recent Land Network data. The combined market value of farms and rural land for sale here is around $20 million. The average price of timberland for sale in Clay County was $4 million. 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.