Eldersburg is a cdp located in Carroll County, in the state of Maryland (MD), United States. Nestled in the South Atlantic division of the South region, it covers an area of 40.1 square miles (104.0 km²) and sits at an elevation of 640 ft. With a population of approximately 27,741 residents, Eldersburg offers a vibrant community life.
The town's population is composed of about 50.33% males and 49.67% females, and it has a population density of 691.80 people per square mile (267.10/km²). Eldersburg lies at a latitude of 39.4 and a longitude of -76.95, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (7.7%), followed by English (13.9%), German (27%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 21784.