| Place Name | Riverside |
| Place Type | Census Designated Place |
| ZIP Code(s) | 97801 |
| County | Umatilla County |
| Area Code(s) | 458,541 |
| Timezone | Pacific Standard Time (PST) |
| Population (2022) | 152 |
| Population Growth Rate (2010-19) | 7.04% |
| Majority Ethnicity | White 40% |
| Metro/Micro Stats Area | Hermiston-Pendleton, OR |
| US Congressional District(s) | Oregon 2nd |
| State House Districts | 58 |
| State Senate Districts | 29 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 40% |
| African American | 0% |
| Hispanic | 24.92% |
| Asian | 1.23% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 33.85% |