Frederick County has twelve municipalities: Brunswick, Burkittsville, Emmitsburg, Frederick, Middletown, Mount Airy, Myersville, New Market, Rosemont, Thurmont, Walkersville, and Woodsboro. Frederick was the first locality to incorporate in Frederick County in 1816. It was followed by Emmitsburg (1824), Thurmont (1831), Middletown (1833), Woodsboro (1836), New Market (1878), Brunswick (1890), Walkersville (1892), Burkittsville (1894), Mount Airy (1894), Myersville (1904), and Rosemont (1953).
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