Salmon Creek is a census-designated place (CDP) in Clark County, Washington, United States.

The community is bordered to the northeast by Mount Vista, to the east by Barberton, to the southeast by Walnut Grove, to the south by Hazel Dell, to the southwest by Lake Shore, and to the west by Felida.

According to the United States Census Bureau, the Salmon Creek CDP has a total area of 6.3 square miles (16.4 km2), all of it land.

18.0% were of German, 10.9% English, 10.9% Irish, 10.0% American and 6.3% Norwegian ancestry according to Census 2000.

22.3% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older.