The value of all farms, hunting land and other rural land and acreage for sale in Illinois's Piatt County recently was approximately $8 million, representing a combined 329 acres of land for sale in Piatt County. Piatt County ranks 73rd in the Inland Empire for the combined amount of land currently advertised for sale. Of all farms and rural real estate for sale in Piatt County, Mansfield had 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 Illinois's 67th biggest county (439 square miles). It's located in the Central Illinois region of Illinois.