The City of Edgewater is a home rule municipality located in Jefferson County, Colorado, United States. The city population was 5,005 at the 2020 United States Census. Edgewater is surrounded by Denver to the east, Lakewood to the south and west, and Wheat Ridge to the north. The city is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area and the Front Range Urban Corridor.

Jefferson County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 582,910, making it the fourth-most populous county in Colorado. The county seat is Golden, and the most populous city's Lakewood.