There was a combined nearly $49 million of farms, rural land, hunting land and other land for sale in Indiana's Harrison County recently on Land.com. The total acreage of all Harrison County land for sale was almost 2,000 acres. Harrison County ranks 23rd out of 92 counties in the Hoosier?State for the total number of acres of land currently advertised for sale. Among cities in Harrison County with land and rural real estate for sale, Corydon featured the most land for sale. Based on its natural assets, tourism and recreation contribute significant revenue toward Harrison County's overall GDP. Harrison County is Indiana's 15th biggest county (486 square miles). It's located in the South Indiana region of the state.