The value of all farms, rural land, hunting land and other land for sale in Indiana's Carroll County recently was approximately $18 million, representing a total of 379 acres of land for sale in Carroll County. Carroll County ranks 85th out of 92 counties in the Hoosier?State for the combined amount of land currently advertised for sale. Of all locations in Carroll County with farms, rural land, hunting land and other land for sale, Delphi had the most land for sale. Manufacturing and related services are the largest economic sectors in Carroll County. Carroll County is the 63rd biggest county (375 square miles) in Indiana. It's located in the West Indiana region of the state.