| Place Name | Riva |
| Place Type | Census Designated Place |
| ZIP Code(s) | 21140 |
| County | Anne Arundel County |
| Area Code(s) | 410,443,667 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 4,073 |
| Population Growth Rate (2010-19) | 4.44% |
| Majority Ethnicity | White 93.1% |
| Metro/Micro Stats Area | Baltimore-Columbia-Towson, MD |
| US Congressional District(s) | Maryland 4th |
| House of Delegates Districts | 33,30B |
| State Senate Districts | 30,33 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.1% |
| African American | 1.28% |
| Hispanic | 0% |
| Asian | 0.39% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.23% |