Land for sale in Montrose County, Colorado, recently totaled nearly $263 million and around 100,000 acres. Montrose County ranks 13th in the Rocky Mountain State based on the total acres of land for sale of the 64 counties in the Centennial State. There were two properties listed as sold in Montrose County through the Land Network Comparable Sales Program. This represented a total value of $615,000. Of all locations in Montrose County with land for sale, Montrose had the most land for sale. Montrose County is Colorado's 16th largest county (2,242 square miles). It's located in the Southwest Colorado region of the state.