| Place Name | Preston |
| Place Type | Town |
| ZIP Code(s) | 21655 |
| County | Caroline County |
| Area Code(s) | 410,443,667 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 631 |
| Population Growth Rate (2010-19) | -6.40% |
| Majority Ethnicity | White 91.85% |
| US Congressional District(s) | Maryland 1st |
| House of Delegates Districts | 37B |
| State Senate Districts | 37 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.85% |
| African American | 5.26% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.9% |