Marion
- County:
- Crittenden County
- County Seat:
- Yes
- Area (mi²):
- 20.273
- State:
- Arkansas
Marion is a city located in Crittenden County, Arkansas. Marion has a 2026 population of 13,524. It is also the county seat of Crittenden County. Marion is currently declining at a rate of -0.97% annually and its population has decreased by -1.72% since the most recent census, which recorded a population of 13,761 in 2020.