
Fairmount
- County:
- Adams County
- County Seat:
- No
- Area (mi²):
- 6.081
- State:
- Colorado
Fairmount is a CDP located in Adams County, Colorado. Fairmount has a 2025 population of 11,108. Fairmount is currently growing at a rate of 2.18% annually and its population has increased by 16.33% since the most recent census, which recorded a population of 9,549 in 2020.
The average household income in Fairmount is $202,161 with a poverty rate of 2.86%. The median age in Fairmount is 43 years: 45.3 years for males, and 41.6 years for females.