| Place Name | Gretna |
| Place Type | Town |
| ZIP Code(s) | 24557 |
| County | Pittsylvania County |
| Area Code(s) | 434 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 1,409 |
| Population Growth Rate (2010-19) | 3.39% |
| Majority Ethnicity | White 61.24% |
| Metro/Micro Stats Area | Danville, VA |
| US Congressional District(s) | Virginia 5th |
| House of Delegates Districts | 16 |
| State Senate Districts | 20 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 61.24% |
| African American | 37.8% |
| Hispanic | 0% |
| Asian | 0.24% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.72% |