A total of nearly 1,000 acres were listed for sale in Ohio County, Indiana, recently; the combined value of all Ohio County farmsand rural real estate for sale was almost $5 million. Ohio County ranks 91st in the Hospitality State for the total acreage of land currently advertised for sale. Of all farms and rural land for sale in Ohio County, Rising Sun had the most land for sale. Ohio County is Indiana's 92nd biggest county (87 square miles). It's located in the South Central Indiana region of Indiana.