
Eldersburg
- County:
- Carroll County
- County Seat:
- No
- Area (mi²):
- 39.814
- State:
- Maryland
Eldersburg is a CDP located in Carroll County, Maryland. Eldersburg has a 2025 population of 30,314. Eldersburg is currently declining at a rate of -0.05% annually and its population has decreased by -0.77% since the most recent census, which recorded a population of 30,550 in 2020.
The average household income in Eldersburg is $167,706 with a poverty rate of 4.21%. The median age in Eldersburg is 39.8 years: 39.3 years for males, and 40.3 years for females.