Land for Sale in Williamson County, Illinois

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The value of all farms and rural land for sale in Williamson County recently was nearly $588 million, representing a total of 8,100 acres of land for sale in Williamson County. Williamson County is among the top 10 counties in the U.S. with the most land currently for sale. Based on the combined acreage of land and rural property for sale here, Williamson County has the most land for sale of all counties in Illinois. Of all farms and rural real estate for sale in Williamson County, Carterville featured the most land for sale. Government and state-level services are the main economic drivers in Williamson County. Williamson County is Illinois's 65th biggest county (444 square miles). It's located in the Southern Illinois region of the state.