Ellicott City, Maryland

Ellicott City ( EL-ih-kət) is an unincorporated community and census-designated place in and the county seat of Howard County, Maryland, United States. Part of the Baltimore metropolitan area, its population was 75,947 at the 2020 census, making it the most populous unincorporated county seat in the United States. Ellicott City's historic downtown – the Ellicott City Historic District – lies in the valleys of the Tiber and Patapsco rivers. The historic district includes the Ellicott City Station; it is the oldest surviving train station in the United States, having been built in 1830 as the first terminus of the original B&O Railroad line.