The value of all farms, ranches, hunting land and other land for sale in Montana's Teton County recently was almost $23 million, representing a combined 3,812 acres of land for sale in Teton County. Teton County ranks 43rd in the state for the total acreage of land currently advertised for sale. Fairfield had the most land for sale. Agriculture and farming drives the Teton County economy, with 742 farms recorded in the county during the U.S. Census in 2012. Farming activities in Teton County generate annual revenues of $12 million, most of which is from crops. Teton County is Montana's 31st biggest county (2,291 square miles). It's located in the North Central Montana region of the state.