| Place Name | Rio |
| Place Type | Census Designated Place |
| ZIP Code(s) | 22901 |
| County | Albemarle County |
| Area Code(s) | 434 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,771 |
| Majority Ethnicity | White 72.04% |
| Metro/Micro Stats Area | Charlottesville, VA |
| US Congressional District(s) | Virginia 5th |
| House of Delegates Districts | 57 |
| State Senate Districts | 17 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 72.04% |
| African American | 24.95% |
| Hispanic | 0% |
| Asian | 1.96% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.05% |