Fairmount, Colorado
Census Designated Place
Location of the Fairmount CDP in Jefferson County, Colorado.
Fairmount Location of the Fairmount CDP in the United States.
Coordinates: 39°47′35″N 105°10′16″W / 39.7930670°N 105.1712029°W / 39.7930670; -105.1712029 (Fairmount CDP, Colorado)[1]
Country	United States
State	Colorado
County	Jefferson County
Government
• Type	unincorporated community
Area [1]
• Total	6.281 sq mi (16.267 km2)
• Land	6.084 sq mi (15.758 km2)
• Water	0.197 sq mi (0.509 km2)
Elevation [2]	5,591 ft (1,704 m)
Population  (2020)[3]
• Total	9,324
• Density	1,500/sq mi (570/km2)
Time zone	UTC-7 (MST)
• Summer (DST)	UTC-6 (MDT)
ZIP Code[4]	80403
Area codes	303 & 720
GNIS feature[5]	2583234[2]

Fairmount is an unincorporated community and a census-designated place (CDP) in Jefferson County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the Fairmount CDP was 9,324 at the United States Census 2010.^[3] ZIP code 80403 applies to addresses in Fairmount.^[4]

Fairmount is bordered to the north by Arvada, to the east by Wheat Ridge, to the south by unincorporated Applewood, and to the west by Golden and undeveloped land on North Table Mountain.

The southeast corner of the Fairmount CDP touches Interstate 70, which leads east 8 miles (13 km) into Denver.

The Fairmount CDP has an area of 4,020 acres (16.267 km²), including 126 acres (0.509 km²) of water.^[1]

The United States Census Bureau initially defined the Fairmount CDP for the United States Census 2010.

Fairmount is served by the Jefferson County Public Schools.

• Jefferson County, Colorado
• Denver-Aurora-Boulder, CO Combined Statistical Area
• Denver-Aurora-Broomfield, CO Metropolitan Statistical Area

• Fairmount Fire Protection District
• Prospect Recreation & Park District
• Jefferson County website
• Jeffco Public Schools