[4] Riverside lies on the edge of the Missouri River and was formally incorporated in 1951.

The Riverside Park Jockey Club operated from 1928 to 1937 and was popularly called Pendergast Track after its patron, the city boss of Kansas City, Tom Pendergast, although he was not officially on its organization papers.

The site was supplanted by an automobile race track, which closed in the 1990s.

The Riverside Red X store was founded as a gas station in 1948 by Edward Young.

He and local business owners Ferd Filger and Dr. Thomas M. Eagle led the incorporation of Riverside in 1951, after both Parkville and Kansas City expressed interest in annexing the area.

[7] The Renner Village Archeological Site was listed on the National Register of Historic Places in 1969.

39.0% of all households were made up of individuals, and 7.4% had someone living alone who was 65 years of age or older.

33.2% of all households were made up of individuals, and 5.1% had someone living alone who was 65 years of age or older.