East Riverdale is an unincorporated area and census-designated place (CDP) in Prince George's County, Maryland, United States.

[4] According to the United States Census Bureau, the CDP has a total area of 1.6 square miles (4.1 km2), all land.

There were 4,778 housing units at an average density of 2,907.5 per square mile (1,122.6/km2).

19.9% of all households were made up of individuals, and 4.5% had someone living alone who was 65 years of age or older.

East Riverdale is within the Prince George's County Public Schools system.