CALVERT COUNTY, MARYLAND
![[County Seal, Calvert County, Maryland]](/msa/mdmanual/36loc/cal/images/1198-1-885b.gif)
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.
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
![[photo, Calvert County Courthouse, Prince Frederick, Maryland]](/msa/mdmanual/36loc/cal/images/1198-1-868.jpg)
Calvert County Courthouse, 175 Main St., Prince Frederick, Maryland, September 2004. Photo by Diane F. Evartt.
websites:
Aging: www.co.cal.md.us/index.aspx?nid=113
Animal Control: www.co.cal.md.us/index.aspx?nid=1301
Calvert County: www.co.cal.md.us
Circuit Court: www.courts.state.md.us/clerks/calvert/index.html
College of Southern Maryland (Prince Frederick Campus): www.csmd.edu/about/campuses/princefrederick/
Community Planning & Building Dept.: www.co.cal.md.us/index.aspx?nid=117
Community Resources: www.co.cal.md.us/index.aspx?nid=94
County Commissioners: www.co.cal.md.us/index.aspx?nid=137
County Government: www.co.cal.md.us/index.aspx?nid=27
County Government Directory: http://www.co.cal.md.us/directory.aspx
Detention Center: www.co.cal.md.us/index.aspx?nid=99
Economic Development Dept.: www.ecalvert.com
Elections Board: www.co.cal.md.us/index.aspx?nid=154
Emergency Management Division: http://md-calvertcounty.civicplus.com/index.aspx?nid=101
Finance & Budget Dept.: www.co.cal.md.us/index.aspx?nid=103
Fire, Rescue & Emergency Medical Services Division: http://md-calvertcounty.civicplus.com/index.aspx?nid=104
General Services Dept.: www.co.cal.md.us/index.aspx?nid=836
Health Dept.: www.calverthealth.org
Housing Authority: http://md-calvertcounty.civicplus.com/index.aspx?nid=215
Job Service: www.dllr.state.md.us/county/calvert/
Libraries: http://calvert.lib.md.us/
Parks & Recreation Division: www.co.cal.md.us/index.aspx?nid=115
Personnel Dept.: www.co.cal.md.us/index.aspx?nid=116
Public Safety Dept.: http://md-calvertcounty.civicplus.com/index.aspx?nid=120
Public Schools: www.calvertnet.k12.md.us
Public Works Dept.: http://md-calvertcounty.civicplus.com/index.aspx?nid=121
Register of Wills: http://registers.maryland.gov/main/calvert.html
Sheriff: www.co.cal.md.us/index.aspx?nid=368
Social Services Dept.: www.dhr.state.md.us/blog/?p=201
State's Attorney: www.calvertstatesattorney.org/
Technology Services Dept.: www.co.cal.md.us/index.aspx?nid=824
Transportation: http://md-calvertcounty.civicplus.com/index.aspx?nid=130
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