States · Colorado · Jefferson County

Fairmount, Colorado.

A community in Jefferson County, with no city government of its own. Zillow publishes no home prices for it: see Jefferson County’s.

Living in Fairmount, Jefferson County, Colorado

Fairmount, in Jefferson County, had 9,324 people in the 2020 census. Half its households earn more than $163,600 a year and half less, against $110,656 across Jefferson County; 3% of its people live below the poverty line. 92% of its homes are lived in by their owners and 8% are rented. Unemployment in Jefferson County was 4.4% in August 2026, and the county had 0.3% fewer jobs in 2025 than the year before. The most residents work in schools and health care, then professional services.

People 9,324 in the 2020 census; median age 43.5
Household income $163,600 the median, give or take $17,599 · Jefferson County: $110,656
Unemployment 4.4% Jefferson County, August 2026; 3.7% a year before
Homes 92% lived in by their owners; 8% rented
  • 3,680households
  • 65%of adults have a degree
  • 3%below the poverty line
  • 23 mintypical commute
  • 29%work from home

What residents work in

  • Schools, hospitals and social care27%
  • Professional and business services20%
  • Manufacturing10%
  • Banks, insurance and property10%
  • Restaurants, hotels and entertainment6%
  • Government6%

Employed residents by industry, from the Census survey. Jefferson County had 247,248 jobs in 2025, 0.3% fewer than the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in December, 47° and 17°; warmest in July, 88° and 57° 20° 40° 60° 80° J F M A M J J 88° 57° A S O N D 47° 17°
Average daily high and low for each month: coldest in December, 47° and 17°; warmest in July, 88° and 57° 20° 40° 60° 80° J F M A M J J 88° 57° A S O N D 47° 17°

Coldest in December, with highs near 47° and lows near 17°; warmest in July, with highs near 88° and lows near 57°. About 76 inches of snow and 17 inches of rain and melted snow a year.

Average daily high and low, 1991–2020, at the Wheat Ridge weather station, 3 miles away (NOAA).

Largest workplaces in Fairmount

  1. Ball Beverage Pkg 151 Golden332431 aluminum cans, light gauge metal, manufacturing320
  2. International Paper - Golden, ColoradoPaper, corrugated, made from purchased paper or paperboard113
  3. APC Construction CoRoad construction109
  4. Lunar Outpost - SouthSpace vehicles, complete, manufacturing75
  5. Great Lakes Management CompanyAssisted living facilities for the elderly66
  6. OE ConstructionExcavation contractors52
  7. TenditAsphalt coating and sealing, residential and commercial parking lot and driveway38

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 7 workplaces with 20 or more staff, 773 people in all. Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.

Natural hazards

  1. HailVery high
  2. LightningRelatively high
  3. Winter weatherRelatively high
  4. TornadoesRelatively moderate
  5. Strong windRelatively moderate
  6. Inland floodingRelatively moderate

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Fairmount’s census tracts, against the rest of the country; all of them together, relatively moderate. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.

From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on Jefferson County.