The combined value of land and rural real estate for sale in Wabash County recently on Land.com was almost $7 million. This represents around 1,000 acres of land and rural real estate for sale in Wabash County. Wabash County ranks 63rd out of 102 counties in Illinois for the combined amount of land currently advertised for sale. Of all locations in Wabash County with farms and rural land for sale, Mount Carmel featured the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Illinois. Wabash County is Illinois's 98th largest county (227 square miles). It's located in the Southern Illinois region of Illinois.