The total value of farms, hunting land and other rural land and acreage for sale in Henderson County, Illinois, recently on Land.com was $2 million. This represents approximately 1,000 acres of land for sale in Henderson County. Henderson County ranks 84th out of 102 counties in the Inland Empire for the total number of acres of land currently advertised for sale. Of all farms and rural real estate for sale in Henderson County, Oquawka featured the most land for sale. Agriculture and farming drives the Henderson County economy, with 396 farms recorded in the county during the U.S. Census in 2012. Farming activities in Henderson County generate annual revenues of $7 million, most of which is from crops. Henderson County is Illinois's 76th largest county (395 square miles). It's located in the Western Illinois region of Illinois.