| Place Name | Mount Vernon |
| Place Type | Town |
| ZIP Code(s) | 75457 |
| County | Franklin County |
| Area Code(s) | 430,903 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 2,657 |
| Population Growth Rate (2010-19) | -6.42% |
| Majority Ethnicity | White 66.19% |
| US Congressional District(s) | Texas 4th |
| State House Districts | 1 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 66.19% |
| African American | 11.8% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 22.01% |