
Rosburg
- County:
- Wahkiakum County
- County Seat:
- No
- Area (mi²):
- 22.914
- State:
- Washington
Rosburg is a CDP located in Wahkiakum County, Washington. Rosburg has a 2025 population of 457. Rosburg is currently growing at a rate of 2.01% annually and its population has increased by 42.81% since the most recent census, which recorded a population of 320 in 2020.
The average household income in Rosburg is $73,610 with a poverty rate of 9.19%. The median age in Rosburg is 36 years: 36.6 years for males, and 34.4 years for females.