[County Seal, Calvert County, Maryland] Origin: In 1654, Calvert County was established by an Order in Council and called Patuxent County until 1658. The County name derives from the family name of Lord Baltimore, the Proprietary of the Maryland colony.

Boundaries: Bounded north by Anne Arundel County; east & south by Chesapeake Bay; west by Patuxent River.
County Code
County Seat: Prince Frederick, MD 20678
Form of Government: County Commissioners
Population: 1990 census: 51,372; 2000 census: 74,563; 2010 census: 88,737


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U.S. Government Agencies

[photo, Calvert County Courthouse, Prince Frederick, Maryland] Calvert County Courthouse, 175 Main St., Prince Frederick, Maryland, September 2004. Photo by Diane F. Evartt.

Aging Office:
Agricultural Preservation:
Animal Control:
Calvert County:
Circuit Court:
College of Southern Maryland (Prince Frederick Campus):
Communications & Media Relations Dept.:
Community Resources Dept.:
County Administrator:
County Commissioners:
County Government:
County Government Directory:
Detention Center:
District Court:
Economic Development Dept.:
Elections Board:
Emergency Management Division:
Environmental Section:
Ethics Commission:
Finance & Budget Dept.:
Fire, Rescue & Emergency Medical Services Division:
General Services Dept.:
Health Dept.:
Historic Preservation:
Housing Authority:
Human Resources Dept.:
Inspections & Permits Division:
Job Service:
Law Office:
Natural Resources Division:
Orphans' Court:

[photo, Edward T. Hall Aquatic Center, Prince Frederick, Maryland] Parks & Recreation Dept.:
Planning & Zoning Dept.:
Public Safety Dept.:
Public Schools:
Public Works Dept.:
Register of Wills:

Edward T. Hall Aquatic Center, 130 Auto Drive, Prince Frederick (Calvert County), Maryland, July 2014. Photo by Diane F. Evartt.

Sheriff's Office:
Social Services Dept.:
Solid Waste & Recycling Division:
State's Attorney:
Technology Services Dept.:
Tourism Office:
Transportation Division, Public:
Treasurer's Office:
Water & Sewerage Division:
Zoning, Permitting & Citizen Relations Section:

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