Folsom
- County:
- St. Tammany Parish
- County Seat:
- No
- Area (mi²):
- 1.989
- State:
- Louisiana
Folsom is a village located in St. Tammany Parish, Louisiana. Folsom has a 2026 population of 829. Folsom is currently growing at a rate of 2.09% annually and its population has increased by 6.97% since the most recent census, which recorded a population of 775 in 2020.