Of 102 counties in the Prairie State, Henry County ranks 16th in terms of size (825 square miles). Henry County is in Western Illinois. There is almost 1,000 acres of recreational land and property for sale in Illinois's Henry County based on recent Land Network data. The combined market value of farmsand rural real estate for sale here is about $200,000. Browse all recreational property for sale in Henry County to find the recreational tract that suits your lifestyle needs, from hunting and fishing properties for the outdoor enthusiast to undeveloped acreage ready for future residential-property development. By overall acreage, residential property is the most common type of land for sale in Henry County.