Rosburg, Washington

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 mi northwest of Cathlamet. Rosburg has a post office with ZIP code 98643. The CDP includes the communities of Eden and Oneida.

Christian Rosburg, the town's first postmaster, named Rosburg for himself.

Demographics
As of the 2020 census, there were 340 people, 184 housing units, and 132 families in Rosburg. Rosburg had 298 White people, 3 African Americans, 5 Native Americans, 6 Asians, 8 people who were from some other race, and 20 people from two or more races. 14 people were Hispanic or Latino.

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.

The median age in Rosburg was 34.8 years old. 15% of the population were older than 65, with 12.3% 65 to 74, 2.6% 75 to 84, and 0.0% older than 85.

The median income was $87,500 in Rosburg. 7.9% of the population were in poverty, with 7.4% of people 18 to 64 years being in poverty, and 29.8% of people 65 or older being in poverty.