A total of almost 100,000 acres were listed for sale in Montana's Valley County recently, representing a total value of almost $12 million in Valley County farms and ranches for sale. Valley County ranks 48th based on the combined acreage of land for sale of the 56 counties in the Treasure State. Of all farms, ranches, hunting land and other land for sale in Valley County, Hinsdale 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.