There was a total of almost $8 million of farms, hunting land and other rural land and acreage for sale in Piatt County, Illinois, recently on Land.com. The total size of all Piatt County farms, rural land, hunting land and other land for sale was around 1,000 acres. Piatt County ranks 70th in the Inland Empire for the total acreage 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. Its economy is defined as agricultural, with 426 farms recorded in the county during the most recent 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 Illinois.