| Place Name | Mount Vernon |
| Place Type | Census Designated Place |
| ZIP Code(s) | 21853 |
| County | Somerset County |
| Area Code(s) | 410,443,667 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 693 |
| Population Growth Rate (2010-19) | -2.31% |
| Majority Ethnicity | White 87.79% |
| Metro/Micro Stats Area | Salisbury, MD-DE |
| US Congressional District(s) | Maryland 1st |
| House of Delegates Districts | 38A |
| State Senate Districts | 38 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 87.79% |
| African American | 3.1% |
| Hispanic | 0% |
| Asian | 9.11% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |