The value of all farmsand rural real estate for sale in Illinois's Menard County recently was approximately $6 million, representing a combined 44 acres of land for sale in Menard County. Menard County ranks 59th out of 102 counties in the Prairie State for the total acreage of land currently advertised for sale. Of all locations in Menard County with farms and rural land for sale, Petersburg had the most land for sale. Menard County has a large agricultural economy, with 369 farms recorded in the county during the latest U.S. Census. Farming activities in Menard County generate annual revenues of $12 million, most of which is from crops. Menard County is the 90th biggest county (315 square miles) in Illinois. It's located in the Central Illinois region of Illinois.