Cass County is in Western Illinois. Of the 102 counties in the Prairie State, 245,563-acre Cass County ranks 78th by size. The total value of almost 1,000 acres of undeveloped land recently listed for sale in Illinois's Cass County was almost $300,000. The average price of undeveloped acreage for sale in Cass County was $122,450. Some suggested uses for undeveloped land currently for sale in Cass County include for commercial, hunting/fishing, and agriculture use. Some common wildlife species to be found on undeveloped land for sale in Cass County include whitetail deer, turkey, deer, dove, quail and ducks. Current commercial applications for commercial property for sale in Cass County include for commercial, hunting/fishing and agriculture use. Browse all Illinois undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.