Sierra Ridge, Colorado
Sierra Ridge is an unincorporated community and a census-designated place (CDP) located in and governed by Douglas County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The unincorporated community lies in ZIP Code 80134. Geography. The Sierra Ridge CDP has an area of , all land. Demographics. The United States Census Bureau defined the for the Education. The Douglas County School District RE-1 serves Sierra Ridge.