The value of all farms, ranches, hunting land and other land for sale in Montrose County recently was $250 million, representing a total of 14,953 acres of land for sale in Montrose County. Montrose County ranks 15th out of 64 counties in the Rocky Mountain State for the total number of acres of land currently advertised for sale. Of all locations in Montrose County with farms, ranches, hunting land and other land for sale, Montrose had the most land for sale. Montrose County is the 16th largest county (2,242 square miles) in Colorado. It's located in the Southwest Colorado region of the state.