A total of approximately 1,000 acres were listed for sale in Illinois's Putnam County recently, representing a total value of nearly $600,000 in Putnam County farms, hunting land and other rural land and acreage for sale. Putnam County ranks 89th in Illinois for the total acreage of land currently advertised for sale. Of all farms, rural land, hunting land and other land for sale in Putnam County, Putnam featured the most land for sale. Putnam County is the 102nd biggest county (172 square miles) in Illinois. It's located in the Western Illinois region of Illinois.