[County Seal, Montgomery County, Maryland] Origin: Montgomery County was formed by resolve of the Constitutional Convention of 1776 on September 6, 1776 (effective October 1, 1776). Created from Frederick County, 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.

Boundaries: Bounded northwest by Frederick County; northeast by Patuxent River; south by Potomac River & District of Columbia.
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County Seat: Rockville, MD 20850
Form of Government: Charter since 1948
Population: 1990 census: 757,027; 2000 census: 873,341; 2010 census: 971,777; 2020 census: 1,062,061


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[photo, Lock 5, Chesapeake & Ohio (C & O) Canal, Potomac, Maryland]

Lock 5, Chesapeake & Ohio (C & O) Canal, Potomac, Maryland, April 2001. Photo by Ann J. Baker.

Agriculture Office:
Animal Services Division:
Appeals, Board of:
Circuit Court:
Community Partnerships Office:

[photo, Montgomery County Flag at State Office Building, 301 West Preston St., Baltimore, Maryland] Consumer Protection Office:
Correction & Rehabilitation Dept.:
County Attorney:
County Council:
County Executive:
County Government:

Montgomery County Flag at State Office Building, 301 West Preston St., Baltimore, Maryland, October 2019. Photo by Diane F. Evartt.

County Government Directory:
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Environmental Protection Dept.:
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Fire & Rescue Service Dept.:
General Services Depts.:
Health & Human Services Dept.:
Housing & Community Affairs Dept.:
Human Resources Office:
Human Rights Office:
Inspector General:
Intergovernmental Relations Office:
Job Service:
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Management & Budget Office:
Montgomery College:
Parks Dept.:
Permitting Services Dept.:
Planning Dept.:
Police Dept.:
Procurement Office:
Public Information Office:
Public Schools:
Recreation Dept.:
Register of Wills:
Revenue Authority:
Sheriff's Office:
Social Services Dept.:
State's Attorney:
Technology Services Dept.:
Transportation Dept.:

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