Downieville-Lawson-Dumont is a census-designated place (CDP) comprising the unincorporated communities of Downieville, Lawson, and Dumont located in, and governed by, Clear Creek County, Colorado, United States. At the United States Census 2020, the population of the Downieville-Lawson-Dumont CDP was 527. The CDP is a part of the Denver-Aurora-Centennial, CO Metropolitan Statistical Area and the Front Range Urban Corridor. The Dumont post office ZIP code 80436 serves the area.