| Place Name | McMullin |
| Place Type | Census Designated Place |
| ZIP Code(s) | 24354 |
| County | Smyth County |
| Area Code(s) | 276 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 464 |
| Population Growth Rate (2010-19) | -1.94% |
| Majority Ethnicity | White 100% |
| US Congressional District(s) | Virginia 9th |
| House of Delegates Districts | 5 |
| State Senate Districts | 40 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 100% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |