Marion
- County:
- Smyth County
- County Seat:
- Yes
- Area (mi²):
- 4.794
- State:
- Virginia
Marion is a town located in Smyth County, Virginia. Marion has a 2026 population of 5,602. It is also the county seat of Smyth County. Marion is currently declining at a rate of -0.28% annually and its population has decreased by -2.52% since the most recent census, which recorded a population of 5,747 in 2020.