The value of all land and rural real estate for sale in Wabash County, Illinois, recently was $5 million, representing a combined 96 acres of land for sale in Wabash County. Wabash County ranks 76th in Illinois for the total acreage of land currently advertised for sale. Among cities in Wabash County with farms, hunting land and other rural land and acreage for sale, Mount Carmel had the most land for sale. Economically speaking, Wabash County's is largely dependent on mining and mineral extraction-related businesses and services. Wabash County is Illinois's 98th largest county (227 square miles). It's located in the Southern Illinois region of Illinois.