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[County Seal, Frederick County, Maryland] Origin: Frederick County was created in 1748 from Baltimore and Prince George's counties (Chapter 15, Acts of 1748). The County probably was named after Frederick Calvert (1731-1771), sixth and last Lord Baltimore, who was the Proprietor of Maryland from 1751 until his death in 1771 at Naples, Italy.

County Code
County Seat: Frederick, MD 21701
Form of Government: County Commissioners
Population: 1990 census: 150,208; 2000 census: 195,277; 2010 census: 233,385

[photo, Winchester Hall, 12 East Church St., Frederick, Maryland] Winchester Hall, 12 East Church St., Frederick, Maryland, July 2003. Photo by Diane F. Evartt.


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 Maryland Manual On-Line, 2013

August 8, 2013

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