There was a combined approximately $101 million of farms, rural land, hunting land and other land for sale in Illinois's Sangamon County recently on Land.com. The total of all Sangamon County land and rural real estate for sale was around 2,000 acres. Sangamon County ranks 17th in the Prairie State for the total acreage of land currently advertised for sale. Of all locations in Sangamon County with land and rural real estate for sale, Springfield had the most land for sale. From an economic perspective, government and state-level services contribute most to Sangamon County's overall GDP. Sangamon County is one of the ten largest counties in Illinois (877 square miles). It's located in the Central Illinois region of Illinois.