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About Frederick

Frederick is a city in and the county seat of Frederick County, Maryland, United States. It is part of the Washington–Baltimore combined statistical area. It is located at an important crossroads at the intersection of a major north–south Native American trail and east–west routes to the Chesapeake Bay, both at Baltimore and what became Washington, D.C. and across the Appalachian mountains to the Ohio River watershed. It is a part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area, which is part of a greater Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area. Frederick's population was 78,171 people as of the 2020 U.S. census, making it the second-largest incorporated city in Maryland behind Baltimore.