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. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The Dumont post office ZIP code 80436 serves the area. At the United States Census 2020, the population of the Downieville-Lawson-Dumont CDP was 527.
The historic Town of Empire is a Statutory Town located in Clear Creek County, Colorado, United States. The town population was 345 at the 2020 United States Census, a +22.34% increase since the 2010 United States Census. The town is a former mining settlement that flourished during the Colorado Silver Boom in the late 19th century. Empire is now a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area and the Front Range Urban Corridor.
St. Mary's is a census-designated place (CDP) located in and governed by Clear Creek County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the St. Mary's CDP was 333 at the United States Census 2020. The St. Mary's Glacier Metropolitan District and the St. Mary's Glacier Water & Sanitation District provide services. The Idaho Springs post office serves the area.
Westcreek 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 population of the Westcreek CDP was 129 at the United States Census 2010. The Sedalia post office serves the area.
Kittredge is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Jefferson County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The Kittredge post office has the ZIP code 80457. At the United States Census 2010, the population of the Kittredge CDP was 1,304, while the population of the 80457 ZIP Code Tabulation Area was 612.
The Town of Lakeside is a Statutory Town in Jefferson County, Colorado, United States. The town population was 8 at the 2010 United States Census, making Lakeside the least populous municipality in the State of Colorado. Lakeside is immediately west of the City and County of Denver, the most populous municipality in the state. The Denver Post Office serves Lakeside.
Conifer is an unincorporated community in Jefferson County, Colorado, United States. Conifer is located along U.S. Route 285 in the foothills west of Denver.
Grant is an unincorporated community and a U.S. Post Office in Park County, Colorado, United States. The community is located in foothills of the Front Range in the Platte Canyon, in the upper valley of the North Fork South Platte River, approximately 6 miles (10 km) east of Kenosha Pass. It sits along U.S. Highway 285 approximately 40 miles (64 km) southwest of Denver. It consists largely of a retired general store, post office, and surrounding houses and trailers along the south side of the highway and along the north side of the river. The Grant Post Office has the ZIP Code 80448. Grant is located at the mouth of Geneva Creek where it descends southward from the Front Range. County Road 62 follows the creek northward to Guanella Pass, leading to Georgetown in the canyon of Clear Creek.
Buffalo Creek is an unincorporated community and U.S. Post Office in Jefferson County, Colorado, United States. The ZIP Code of the Buffalo Creek Post Office is 80425.
Dupont is an unincorporated community and U.S. Post Office in Adams County, Colorado, United States. The Dupont Post Office has the ZIP Code 80024.
Deckers is an unincorporated community along the South Platte River in Douglas County, Colorado, United States. Stephen Decker built a general store here in the 1890s. He later added a saloon and called the settlement "Daffodil." The presence of natural springs led him to establish Deckers Mineral Springs and Resort in the popular region for fly-fishing. Deckers received national attention for the June 2002 forest fire, known as the Hayman Fire, which burned thousands of acres on the outskirts of the Denver metro area. The U.S. Post Office at Sedalia now serves Deckers postal addresses.
Downieville is a small unincorporated community situated along Clear Creek in Clear Creek County, Colorado, United States. Downieville is a part of the Downieville-Lawson-Dumont census-designated place.
Lawson is a small unincorporated community situated along Clear Creek in Clear Creek County, Colorado, United States. Lawson is a part of the Downieville-Lawson-Dumont census-designated place.
Floyd Hill is an unincorporated community and a census-designated place (CDP) located in and governed by Clear Creek County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the Floyd Hill CDP was 1,048 at the United States Census 2020. The Evergreen post office serves the area.
Upper Bear Creek is an unincorporated community and a census-designated place (CDP) located in and governed by Clear Creek County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the Upper Bear Creek CDP was 1,059 at the United States Census 2010. The Evergreen post office serves the area.
Blue Valley is an unincorporated community and a census-designated place (CDP) located in and governed by Clear Creek County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The Idaho Springs post office serves the area.
Echo Hills is an unincorporated community and a census-designated place (CDP) located in and governed by Clear Creek County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The Evergreen post office serves the area.
Pine Valley is an unincorporated community and a census-designated place (CDP) located in and governed by Clear Creek County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The Evergreen post office serves the area.
Upper Witter Gulch is an unincorporated community and a census-designated place (CDP) located in and governed by Clear Creek County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The Evergreen post office serves the area.
Brook Forest is an unincorporated community and a census-designated place (CDP) located in and governed by Jefferson and Clear Creek counties, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The Evergreen Post Office serves the area.
United States 
State of Colorado 
