| Place Name | Rio Grande |
| Place Type | Village |
| ZIP Code(s) | 45674 |
| County | Gallia County |
| Area Code(s) | 220,740 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 1,065 |
| Population Growth Rate (2010-19) | -12.77% |
| Majority Ethnicity | White 90.84% |
| Metro/Micro Stats Area | Point Pleasant, WV-OH |
| US Congressional District(s) | Ohio 6th |
| State House Districts | 93 |
| State Senate Districts | 17 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.84% |
| African American | 5.26% |
| Hispanic | 0% |
| Asian | 1.04% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.87% |