There was a total of almost $2 million of farms, rural land, hunting land and other land for sale in Henderson County, Illinois, recently on Land.com. The total size of all Henderson County farms and rural real estate for sale was around 1,000 acres. Henderson County ranks 94th out of 102 counties in Illinois for the combined amount of land currently advertised for sale. Of all farms, hunting land and other rural land and acreage for sale in Henderson County, Oquawka featured the most land for sale. Henderson County has a large agricultural economy, with 396 farms recorded in the county during the latest U.S. Census. Farming activities in Henderson County generate annual revenues of $7 million, most of which is from crops. Henderson County is the 76th largest county (395 square miles) in Illinois. It's located in the Western Illinois region of Illinois.