Maryland Manual On-Line -


[County Seal, Montgomery County, Maryland] Origin: Created from Frederick County by resolve of the Constitutional Convention of 1776, Montgomery County was named for Revolutionary War General Richard Montgomery (1738-1775). Born in Swords, County Dublin, Ireland, General Montgomery died leading Continental forces against Quebec.

County Code & Charter
County Executives
County Seat: Rockville, MD 20850
Form of Government: Charter since 1948

1990 census: 757,027
2000 census: 873,341

[photo, Lock 5, Chesapeake & Ohio (C & O) Canal, Potomac, Maryland]
  • Creeks
  • Islands
  • Lakes
  • Washington Metrorail Map (Washington metropolitan area)
  • Lock 5, Chesapeake & Ohio (C & O) Canal, Potomac, Maryland, April 2001. Photo by Ann J. Baker.


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    Organizational Chart



    U.S. Government Agencies

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    Job Service:
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    Police Dept.:
    Public Schools:
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    Recreation Dept.:
    Social Services Dept.:
    State's Attorney:
    Technology Services Dept.:
    Transit Services Division:

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     Maryland Manual On-Line, 2009

    July 1, 2009   
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