Riverview is a city[4] in St. Louis County, Missouri, United States.
According to the United States Census Bureau, the city has a total area of 0.83 square miles (2.15 km2), all land.
There were 1,368 housing units at an average density of 1,648.2 per square mile (636.4/km2).
31.9% of all households were made up of individuals, and 6.4% had someone living alone who was 65 years of age or older.
34.5% of all households were made up of individuals, and 9.7% had someone living alone who was 65 years of age or older.