Jena
- County:
- LaSalle Parish
- County Seat:
- No
- Area (mi²):
- 5.498
- State:
- Louisiana
Jena is a town located in LaSalle Parish, Louisiana. Jena has a 2026 population of 4,133. Jena is currently declining at a rate of -0.43% annually and its population has decreased by -0.84% since the most recent census, which recorded a population of 4,168 in 2020.