A total of approximately 100,000 acres were listed for sale in Grand County, Colorado, recently; the value of all Grand County farms and ranches for sale was approximately $323 million. Grand County ranks 18th based on the total amount of acres of land for sale of all the counties in the Centennial State. Of all farms, ranches, hunting land and other land for sale in Grand County, Granby had the most land for sale. Based on its natural assets, Grand County's economy is dependent on tourism and recreation. Grand County is the 21st biggest county (1,869 square miles) in Colorado. It's located in the Northwest Colorado region of Colorado.