Portland, Colorado
Portland is an unincorporated community and a census-designated place (CDP) located in and governed by Ouray County, Colorado, United States. The CDP is a part of the Montrose, CO Micropolitan Statistical Area. The population of the Portland CDP was 135 at the United States Census 2010. The Ridgway post office serves the area. Geography. Portland is located between Ridgway and Ouray. The Portland CDP has an area of , all land. Demographics. The United States Census Bureau initially defined the for the