The combined value of farms, hunting land and other rural land and acreage for sale in Lawrence County recently on Land.com was almost $5 million. This represents approximately 1,000 acres of land for sale in Lawrence County. Lawrence County ranks 64th in Illinois for the total number of acres of land currently advertised for sale. Of all farms and rural real estate for sale in Lawrence County, Lawrenceville had the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Illinois. Lawrence County is Illinois's 82nd largest county (374 square miles). It's located in the Southern Illinois region of the state.