Riverside is a census-designated place (CDP) in Box Elder County, Utah, United States.

According to the United States Census Bureau, the CDP has a total area of 6.7 square miles (17 km2), all land.

As of the census[2] of 2000, there were 678 people, 196 households, and 167 families residing in the CDP.

There were 196 households, out of which 51.0% had children under the age of 18 living with them, 79.1% were married couples living together, 4.1% had a female householder with no husband present, and 14.3% were non-families.

11.7% of all households were made up of individuals, and 8.2% had someone living alone who was 65 years of age or older.