Farmerville
- County:
- Union Parish
- County Seat:
- No
- Area (mi²):
- 5.78
- State:
- Louisiana
Farmerville is a town located in Union Parish, Louisiana. Farmerville has a 2026 population of 3,375. Farmerville is currently declining at a rate of -0.35% annually and its population has decreased by -2.29% since the most recent census, which recorded a population of 3,454 in 2020.