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    [County Seal, Baltimore County, Maryland] Origin: The legal origin of Baltimore County is not known, but it was in existence by January 12, 1659/60 when a writ was issued to the sheriff of the county. The County name was derived from the name of the Proprietary's Barony in Ireland in the county of Longford.

    Boundaries: Bounded north by Pennsylvania; east by Harford County & Chesapeake Bay; south by Patapsco River & Baltimore City; west by Carroll & Howard counties.

    [photo, Baltimore County Public Safety Building, 700 East Joppa Road, Towson, Maryland] County Code & Charter
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    County Seat:
    Towson, MD 21204
    Form of Government: Charter since 1956
    Population: 1990 census: 692,134; 2000 census: 754,292; 2010 census: 805,029

    Baltimore County Public Safety Building, 700 East Joppa Road, Towson, Maryland, May 2004. Photo by Diane F. Evartt.


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