Of 102 counties in the Land of Lincoln, Henry County ranks 16th in terms of size (825 square miles). Henry County is in Western Illinois. There is almost 1,000 acres of farms for sale in Illinois's Henry County based on recent Land Network data. The combined market value of farms, hunting land and other rural land and acreage for sale here is about $600,000. Browse all Henry County farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future business or lifestyle needs. The most common type of land for sale by combined acreage in Henry County is residential property.