| Place Name | Onley |
| Place Type | Town |
| ZIP Code(s) | 23418 |
| County | Accomack County |
| Area Code(s) | 757 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 612 |
| Population Growth Rate (2010-19) | 3.10% |
| Majority Ethnicity | White 63.28% |
| US Congressional District(s) | Virginia 2nd |
| House of Delegates Districts | 100 |
| State Senate Districts | 6 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 63.28% |
| African American | 7.45% |
| Hispanic | 4.47% |
| Asian | 0.81% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 23.98% |