Carroll County is a county in Indiana. It covers 375 square miles (240,038 acres), which represents less than one percent of the state total. Of Indiana's 92 counties, Carroll County ranks 73rd in terms of the size of its population (19,856, according to 2015 Census estimates). Manufacturing and related services provide the main economic inputs to Carroll County. Recent Lands of America data shows that the average price-per-acre value of land for sale in Carroll County is $5,100. On average, the price of land for sale was $204,000 and the median size of land and real estate for sale in Carroll County was 40 acres. Land for sale in Carroll County totaled 40 acres and $204,000 in overall land value. Farmland was the most common type of land for sale in Carroll County.