| Place Name | Greenbackville |
| Place Type | Census Designated Place |
| ZIP Code(s) | 23356 |
| County | Accomack County |
| Area Code(s) | 757 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 102 |
| Population Growth Rate (2010-19) | -9.90% |
| Majority Ethnicity | White 100% |
| US Congressional District(s) | Virginia 2nd |
| House of Delegates Districts | 100 |
| State Senate Districts | 6 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 100% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |