Dorchester County has nine municipalities: Brookview, Cambridge, Church Creek, East New Market, Eldorado, Galestown, Hurlock, Secretary, and Vienna. The oldest of these is Cambridge, the county seat, formed in 1793. Thereafter, East New Market incorporated in 1832, followed by Vienna in 1833, Church Creek in 1867, Hurlock in 1892, Secretary in 1900, Eldorado in 1947, Galestown in 1951, and Brookview in 1953.
