| Place Name | Riverside |
| Place Type | Census Designated Place |
| ZIP Code(s) | 21001 21009 21015 21017 |
| County | Harford County |
| Area Code(s) | 410,443,667 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 6,886 |
| Population Growth Rate (2010-19) | 9.28% |
| Majority Ethnicity | White 63.41% |
| Metro/Micro Stats Area | Baltimore-Columbia-Towson, MD |
| US Congressional District(s) | Maryland 2nd |
| House of Delegates Districts | 34A |
| State Senate Districts | 34 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 63.41% |
| African American | 28.03% |
| Hispanic | 0% |
| Asian | 3.04% |
| Native American | 0.4% |
| Hawaiin/Pacific Islander | 5.13% |