Marbleton
- County:
- Sublette County
- County Seat:
- No
- Area (mi²):
- 0.907
- State:
- Wyoming
Marbleton is a town located in Sublette County, Wyoming. Marbleton has a 2026 population of 845. Marbleton is currently declining at a rate of -2.31% annually and its population has decreased by -1.4% since the most recent census, which recorded a population of 857 in 2020.