There was a combined approximately $5 million of land for sale in White County, Illinois, recently on Land.com. The total acreage of all White County land for sale was around 1,000 acres. White County ranks 61st in Illinois for the total acreage of land currently advertised for sale. Of all locations in White County with land and rural real estate for sale, Carmi had the most land for sale. Economically speaking, White County's is largely dependent on mining and mineral extraction-related businesses and services. White County is Illinois's 56th biggest county (501 square miles). It's located in the Southern Illinois region of the state.