Of 102 counties in the Land of Lincoln, Adams County ranks 12th by size (871 square miles). Adams County is in Western Illinois. Illinois's Adams County includes 1,000 acres of ranches for sale based on recent Land Network data. The combined market value of farms and rural land for sale here was roughly $2 million. Browse all Adams County ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg. The most common type of land for sale by combined acreage in Adams County is residential property.