A combined 100,000 acres were listed for sale in Montana's Valley County recently; the value of all Valley County land and rural real estate for sale was almost $23 million. Valley County ranks 37th in the state based on the combined acreage of land for sale among all the counties in the Treasure State. Among cities in Valley County with land for sale, Nashua had the most land for sale. Agriculture and farming drives the Valley County economy, with 654 farms recorded in the county during the U.S. Census in 2012. Farming activities in Valley County generate annual revenues of $7 million, most of which is from crops. Valley County is one of the ten largest counties in Montana (5,061 square miles). It's located in the Missouri River Country Montana region of the state.