A total of around 100,000 acres were listed for sale in Valley County, Montana, recently; the combined value of all Valley County land for sale was nearly $16 million. Valley County ranks 43rd in the Treasure State based on the total acres of land for sale of all the counties in Big Sky Country. Of all land for sale in Valley County, Glasgow had the most land for sale. Valley County has a large agricultural economy, with 654 farms recorded in the county during the latest U.S. Census. 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.