Rosburg is a Census-designated place (CDP) in Wahkiakum County, Washington, United States.

Rosburg is located on the Grays River near Washington State Route 4, 15 miles (24 km) northwest of Cathlamet.

[3] As of the 2020 census, there were 340 people, 184 housing units, and 132 families in Rosburg.

[4] The ancestry of Rosburg was 15.5% English, 14.2% Italian, 13.1% German, 10% Irish, 6.6% Sub-Saharan African, 1.6% French, 1.3% Scottish, and 0.8% Norwegian.

This Wahkiakum County, Washington state location article is a stub.