The value of all land for sale in Carroll County, Indiana, recently was almost $16 million, representing a combined 274 acres of land for sale in Carroll County. Carroll County ranks 83rd out of 92 counties in the state for the total acreage of land currently advertised for sale. Among cities in Carroll County with farms and rural land 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 the 63rd largest county (375 square miles) in Indiana. It's located in the West Indiana region of the state.