There was a total of nearly $13 million of farms, hunting land and other rural land and acreage for sale in Piatt County recently on Land.com. The total size of all Piatt County land and rural real estate for sale was approximately 1,000 acres. Piatt County ranks 71st in the Land of Lincoln for the combined amount of land currently advertised for sale. Among cities in Piatt County with land and rural real estate for sale, Monticello had the most land for sale. Piatt County has a large agricultural economy, with 426 farms recorded in the county during the latest U.S. Census. Farming activities in Piatt County generate annual revenues of $18 million, most of which is from crops. Piatt County is the 67th largest county (439 square miles) in Illinois. It's located in the Central Illinois region of the state.