Riverton-Boulevard Park is a former census-designated place (CDP) in King County, Washington, United States.

For the 2010 census, the CDP was separated into the Riverton and Boulevard Park CDPs, with part of the area now being in the city of Tukwila.

As of the census[1] of 2000, there were 11,188 people, 4,440 households, and 2,579 families residing in the CDP.

The racial makeup of the CDP was 61.15% White, 8.30% African American, 1.45% Native American, 11.99% Asian, 1.72% Pacific Islander, 9.63% from other races, and 5.76% from two or more races.

32.5% of all households were made up of individuals, and 9.0% had someone living alone who was 65 years of age or older.