There was a combined $18 million of farms and rural land for sale in Indiana's Carroll County recently on Land.com. The total acreage of all Carroll County farms, rural land, hunting land and other land for sale was nearly 1,000 acres. Carroll County ranks 84th in the Hoosier?State for the total number of acres of land currently advertised for sale. Of all locations in Carroll County with land and rural real estate for sale, Delphi had the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Carroll County. Carroll County is Indiana's 63rd largest county (375 square miles). It's located in the West Indiana region of the state.