Roseburg
- County:
- Douglas County
- County Seat:
- Yes
- Area (mi²):
- 10.757
- State:
- Oregon
Roseburg is a city located in Douglas County, Oregon. Roseburg has a 2026 population of 23,795. It is also the county seat of Douglas County. Roseburg is currently declining at a rate of -0.21% annually but its population has increased by 0.53% since the most recent census, which recorded a population of 23,669 in 2020.