A combined around 1,000 acres were listed for sale in Adams County, Indiana, recently; the combined value of all Adams County farms, rural land, hunting land and other land for sale was approximately $16 million. Adams County ranks 77th out of 92 counties in the Hospitality State for the total acreage of land currently advertised for sale. Of all locations in Adams County with land and rural real estate for sale, Decatur had the most land for sale. Adams County is Indiana's 73rd biggest county (339 square miles). It's located in the East Indiana region of the state.