Sierra Ridge is an unincorporated community and a census-designated place (CDP) located in and governed by Douglas County, Colorado, United States. The population was 3,490 at the 2020 census. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The unincorporated community lies in ZIP Code 80134.
Zip Codes in Sierra Ridge, CO that we also serve: 80134
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