Blue Valley, Colorado

Blue Valley is an unincorporated community and a census-designated place (CDP) located in and governed by Clear Creek County, Colorado, United States. The population was 173 at the 2020 census. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The Idaho Springs post office (Zip Code 80452) serves the area.

Geography
The Blue Valley CDP has an area of 2.725 km2, all land.

Demographics
The United States Census Bureau defined the Blue Valley CDP for the United States Census 2020.