
Marion
- County:
- Union Parish
- County Seat:
- No
- Area (mi²):
- 3.21
- State:
- Louisiana
Marion is a town located in Union Parish, Louisiana. Marion has a 2025 population of 591. Marion is currently declining at a rate of -1.01% annually and its population has decreased by -5.14% since the most recent census, which recorded a population of 623 in 2020.
The average household income in Marion is $38,766 with a poverty rate of 30.86%. The median age in Marion is 42.7 years: 28.6 years for males, and 62 years for females.