| Place Name | Eldersburg |
| Place Type | Census Designated Place |
| County | Carroll County |
| Area Code(s) | 410,443,667 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 31,650 |
| Population Growth Rate (2010-19) | 6.72% |
| Majority Ethnicity | White 86.97% |
| Metro/Micro Stats Area | Baltimore-Columbia-Towson, MD |
| US Congressional District(s) | Maryland 8th |
| House of Delegates Districts | 5,9A |
| State Senate Districts | 5,9 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 86.97% |
| African American | 5.2% |
| Hispanic | 0.11% |
| Asian | 3.94% |
| Native American | 0.07% |
| Hawaiin/Pacific Islander | 3.71% |