
Folsom
- County:
- Union County
- County Seat:
- No
- Area (mi²):
- 0.651
- State:
- New Mexico
Folsom is a village located in Union County, New Mexico. Folsom has a 2025 population of 46. Folsom is currently declining at a rate of 0% annually and its population has decreased by -4.17% since the most recent census, which recorded a population of 48 in 2020.
The average household income in Folsom is $86,080 with a poverty rate of 0%. The median age in Folsom is 9.8 years: 9.8 years for males, and 18.5 years for females.