A total of 1,000 acres were listed for sale in Piatt County recently; the combined value of all Piatt County farms, rural land, hunting land and other land for sale was almost $6 million. Piatt County ranks 82nd in the Land of Lincoln for the combined amount of land currently advertised for sale. Of all farms and rural real estate for sale in Piatt County, Mansfield featured the most land for sale. Agriculture and farming drives the Piatt County economy, with 426 farms recorded in the county during the U.S. Census in 2012. 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 Illinois.