| Place Name | Elk Mills |
| Place Type | Unincorporated |
| ZIP Code(s) | 21920 |
| County | Cecil County |
| Area Code(s) | 410,443,667 |
| Timezone | Eastern Daylight Time (EDT) |
| Population () | |
| Metro/Micro Stats Area | Philadelphia-Camden-Wilmington, PA-NJ-DE-MD |
| US Congressional District(s) | Maryland 1st |
| House of Delegates Districts | 36 |
| State Senate Districts | 36 |