| Place Name | Mardela Springs |
| Place Type | Town |
| ZIP Code(s) | 21837 |
| GEOID | 2450525 |
| County | Wicomico County |
| Area Code(s) | 410,443,667 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 480 |
| Majority Ethnicity | White 76.51% |
| Metro/Micro Stats Area | Salisbury, MD-DE |
| US Congressional District(s) | Maryland 1st |
| House of Delegates Districts | 37B |
| State Senate Districts | 37 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 76.51% |
| African American | 10.96% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 12.53% |