About Riverdale Park CDP, California
Riverdale Park is a census-designated place (CDP) in Sacramento County, California, United States. It is part of the Sacramento–Arden-Arcade–Roseville Metropolitan Statistical Area. The population was 11,038 at the 2010 census.
Riverdale Park is located at 38°30′14″N 121°17′18″W / 38.504°N 121.288°W / 38.504; -121.288 (38.503713, -121.287746).
According to the United States Census Bureau, the CDP has a total area of 3.2 square miles (8 km2), all land.