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List of counties in Maryland facts for kids

Kids Encyclopedia Facts
Quick facts for kids
Independent city and counties of Maryland
Map of maryland counties.jpg
Location State of Maryland
Number 23 counties and 1 Independent city
Populations (Counties only): 19,303 (Kent) – 1,058,474 (Montgomery)
Areas (Counties only): 254 square miles (660 km2) (Howard) – 983 square miles (2,550 km2) (Dorchester)
Government County government
Subdivisions (Counties): cities, towns, unincorporated communities, census designated place
(Independent city): Neighborhoods

Maryland has 23 counties and one special independent city. This independent city is Baltimore City. Even though Baltimore is not called a county, it acts like one for most things. It has similar powers and responsibilities to the counties.

Many of Maryland's counties got their names from the family members of the Barons Baltimore. These Barons were the original owners of the Maryland colony. They started the colony in 1634. The Barons Baltimore were Catholic. George Calvert, 1st Baron Baltimore, wanted Maryland to be a safe place for English Catholics. However, for most of its history, Maryland has had more Protestants.

Maryland's County History

The newest county in Maryland is Garrett County. It was created in 1872 from parts of Allegany County. Since then, county borders have changed a few times. For example, in 1997, parts of Takoma Park moved from Prince George's County to Montgomery County.

How Counties Govern in Maryland

Outside of Baltimore City, the county is the main local government. In Maryland, counties have many powers that cities or the state government might have in other places. This means there is not much reason for communities to become official cities.

Many large and important communities in Maryland are not officially cities. Places like Bethesda, Silver Spring, Columbia, and Towson are unincorporated. This means the county government provides their services. For example, Baltimore County and Howard County do not have any incorporated cities at all. Also, counties are in charge of public schools. There are no separate school districts in Maryland.

Baltimore City is unique. It is almost completely surrounded by Baltimore County. But it is a separate government unit. It has the same powers and duties as the counties.

List of Maryland Counties

County
FIPS code County seat Est. Origin Etymology Flag
Seal
Population Area Map
Allegany County 001 Cumberland 1789 Formed from part of Washington County From Lenape oolikhanna, meaning "beautiful stream" Flag of Allegany County, Maryland.png Seal of Allegany County, Maryland.png &&&&&&&&&&067273.&&&&&067,273 &&&&&&&&&&&&0430.&&&&&0430 sq mi
(&&&&&&&&&&&01114.&&&&&01,114 km2)
State map highlighting Allegany County
Anne Arundel County 003 Annapolis 1650 Formed from part of St. Mary's County Anne Arundell was the maiden name of the wife of Cecil Calvert, 2nd Baron Baltimore. It was called Providence County by Puritan settlers from 1654 to 1658. Flag of Anne Arundel County, Maryland.svg Seal of Anne Arundel County, Maryland.svg &&&&&&&&&0594582.&&&&&0594,582 &&&&&&&&&&&&0588.&&&&&0588 sq mi
(&&&&&&&&&&&01523.&&&&&01,523 km2)
State map highlighting Anne Arundel County
Baltimore County 005 Towson 1659 Formed from unorganized territory Cecil Calvert, 2nd Baron Baltimore, the first owner of the Maryland colony Flag of Baltimore County, Maryland.svg Seal of Baltimore County, Maryland.svg &&&&&&&&&0844703.&&&&&0844,703 &&&&&&&&&&&&0682.&&&&&0682 sq mi
(&&&&&&&&&&&01766.&&&&&01,766 km2)
State map highlighting Baltimore County
Baltimore City 510 Baltimore City 1851 Founded in 1729. Became separate from Baltimore County in 1851. Cecil Calvert, 2nd Baron Baltimore, the first owner of the Maryland colony Flag of Baltimore, Maryland.svg Seal of Baltimore, Maryland.svg &&&&&&&&&0565239.&&&&&0565,239 &&&&&&&&&&&&&092.&&&&&092 sq mi
(&&&&&&&&&&&&0238.&&&&&0238 km2)
State map highlighting Baltimore City
Calvert County 009 Prince Frederick 1654 Formed as Patuxent County from unorganized territory. Renamed Calvert County in 1658. The Calvert family; before 1658, it was called Patuxent County, after the Patuxent Indians. Flag of Calvert County, MD.svg Seal of Calvert County, Maryland.png &&&&&&&&&&094728.&&&&&094,728 &&&&&&&&&&&&0345.&&&&&0345 sq mi
(&&&&&&&&&&&&0894.&&&&&0894 km2)
State map highlighting Calvert County
Caroline County 011 Denton 1773 From parts of Dorchester County and Queen Anne's County Lady Caroline Eden, daughter of Charles Calvert, 5th Baron Baltimore Flag of Caroline County, Maryland.svg Seal of Caroline County, Maryland.svg &&&&&&&&&&033593.&&&&&033,593 &&&&&&&&&&&&0326.&&&&&0326 sq mi
(&&&&&&&&&&&&0844.&&&&&0844 km2)
State map highlighting Caroline County
Carroll County 013 Westminster 1837 From parts of Baltimore County and Frederick County Charles Carroll of Carrollton, who signed the Declaration of Independence Flag of Carroll County, Maryland.png Seal of Carroll County, Maryland.png &&&&&&&&&0176639.&&&&&0176,639 &&&&&&&&&&&&0452.&&&&&0452 sq mi
(&&&&&&&&&&&01171.&&&&&01,171 km2)
State map highlighting Carroll County
Cecil County 015 Elkton 1674 From parts of Baltimore County and Kent County Cecil is an English version of the first name of Cecil Calvert, 2nd Baron Baltimore Flag of Cecil County, Maryland.png Seal of Cecil County, Maryland.png &&&&&&&&&0105672.&&&&&0105,672 &&&&&&&&&&&&0418.&&&&&0418 sq mi
(&&&&&&&&&&&01083.&&&&&01,083 km2)
State map highlighting Cecil County
Charles County 017 La Plata 1658 From unorganized territory Charles Calvert, 3rd Baron Baltimore, the second owner of the Maryland colony Flag of Charles County, Maryland.svg Seal of Charles County, Maryland.svg &&&&&&&&&0171973.&&&&&0171,973 &&&&&&&&&&&&0643.&&&&&0643 sq mi
(&&&&&&&&&&&01665.&&&&&01,665 km2)
State map highlighting Charles County
Dorchester County 019 Cambridge 1668 From unorganized territory Dorchester in Dorset, England; the Earl of Dorset was a friend of the Calvert family. Flag of Dochester County, Maryland.png Seal of Dorchester County, Maryland.png &&&&&&&&&&032879.&&&&&032,879 &&&&&&&&&&&&0983.&&&&&0983 sq mi
(&&&&&&&&&&&02546.&&&&&02,546 km2)
State map highlighting Dorchester County
Frederick County 021 Frederick 1748 From part of Prince George's County Frederick Calvert, 6th Baron Baltimore, the last owner of the Maryland colony 2023 flag of Frederick County, Maryland.svg Seal of Frederick County, Maryland.png &&&&&&&&&0293391.&&&&&0293,391 &&&&&&&&&&&&0667.&&&&&0667 sq mi
(&&&&&&&&&&&01728.&&&&&01,728 km2)
State map highlighting Frederick County
Garrett County 023 Oakland 1872 From part of Allegany County John Work Garrett, president of the Baltimore and Ohio Railroad Flag of Garrett County, Maryland.svg Seal of Garrett County, Maryland.svg &&&&&&&&&&028423.&&&&&028,423 &&&&&&&&&&&&0656.&&&&&0656 sq mi
(&&&&&&&&&&&01699.&&&&&01,699 km2)
State map highlighting Garrett County
Harford County 025 Bel Air 1773 From part of Baltimore County Henry Harford, the son of Frederick Calvert, 6th Baron Baltimore Flag of Harford County, Maryland.png Seal of Harford County, Maryland.svg &&&&&&&&&0264644.&&&&&0264,644 &&&&&&&&&&&&0527.&&&&&0527 sq mi
(&&&&&&&&&&&01365.&&&&&01,365 km2)
State map highlighting Harford County
Howard County 027 Ellicott City 1851 From parts of Anne Arundel County and Baltimore County John Eager Howard, an officer in the American Revolutionary War and a governor of Maryland Flag of Howard County, Maryland.svg Seal of Howard County, Maryland.png &&&&&&&&&0336001.&&&&&0336,001 &&&&&&&&&&&&0254.&&&&&0254 sq mi
(&&&&&&&&&&&&0658.&&&&&0658 km2)
State map highlighting Howard County
Kent County 029 Chestertown 1642 From unorganized territory The English county of Kent Flag of Kent County, Maryland.gif Seal of Kent County, Maryland.gif &&&&&&&&&&019303.&&&&&019,303 &&&&&&&&&&&&0414.&&&&&0414 sq mi
(&&&&&&&&&&&01072.&&&&&01,072 km2)
State map highlighting Kent County
Montgomery County 031 Rockville 1776 From part of Frederick County Richard Montgomery, an American Revolutionary War general Flag of Montgomery County, Maryland.svg Seal of Montgomery County, Maryland.svg &&&&&&&&01058474.&&&&&01,058,474 &&&&&&&&&&&&0507.&&&&&0507 sq mi
(&&&&&&&&&&&01313.&&&&&01,313 km2)
State map highlighting Montgomery County
Prince George's County 033 Upper Marlboro 1696 From parts of Calvert County and Charles County Prince George of Denmark, the husband of Queen Anne of Great Britain Flag of Prince George's County, Maryland (1963–present).svg Seal of Prince George's County, Maryland.svg &&&&&&&&&0947430.&&&&&0947,430 &&&&&&&&&&&&0498.&&&&&0498 sq mi
(&&&&&&&&&&&01290.&&&&&01,290 km2)
State map highlighting Prince George's County
Queen Anne's County 035 Centreville 1706 From parts of Talbot County Anne, Queen of Great Britain Flag of Queen Anne's County, Maryland.gif Seal of Queen Anne's County, Maryland.png &&&&&&&&&&052508.&&&&&052,508 &&&&&&&&&&&&0510.&&&&&0510 sq mi
(&&&&&&&&&&&01321.&&&&&01,321 km2)
State map highlighting Queen Anne's County
Somerset County 039 Princess Anne 1666 From unorganized territory. Mary, Lady Somerset, sister-in-law of Cecil Calvert, 2nd Baron Baltimore Flag of Somerset County, Maryland.svg Seal of Somerset County, Maryland.png &&&&&&&&&&024910.&&&&&024,910 &&&&&&&&&&&&0611.&&&&&0611 sq mi
(&&&&&&&&&&&01582.&&&&&01,582 km2)
State map highlighting Somerset County
St. Mary's County 037 Leonardtown 1637 From unorganized territory. It was called Potomac County from 1654 to 1658. The Virgin Mary, the first county named in a colony meant for Catholics Flag of St. Mary's County, Maryland.png Seal of St. Mary's County, Maryland.png &&&&&&&&&0115281.&&&&&0115,281 &&&&&&&&&&&&0611.&&&&&0611 sq mi
(&&&&&&&&&&&01582.&&&&&01,582 km2)
State map highlighting St. Mary's County
Talbot County 041 Easton 1662 From part of Kent County Grace, Lady Talbot, sister of Cecil Calvert, 2nd Baron Baltimore Flag of Talbot County, Maryland.svg Seal of Talbot County, Maryland.png &&&&&&&&&&037823.&&&&&037,823 &&&&&&&&&&&&0477.&&&&&0477 sq mi
(&&&&&&&&&&&01235.&&&&&01,235 km2)
State map highlighting Talbot County
Washington County 043 Hagerstown 1776 From part of Frederick County George Washington, the first President of the United States None Seal of Washington County, Maryland (1950–1988).png &&&&&&&&&0155813.&&&&&0155,813 &&&&&&&&&&&&0468.&&&&&0468 sq mi
(&&&&&&&&&&&01212.&&&&&01,212 km2)
State map highlighting Washington County
Wicomico County 045 Salisbury 1867 From parts of Somerset County and Worcester County The Wicomico River; in Lenape, wicko mekee means "a place where houses are built" Flag of Wicomico County, Maryland.gif Seal of Wicomico County, Maryland.png &&&&&&&&&0104800.&&&&&0104,800 &&&&&&&&&&&&0400.&&&&&0400 sq mi
(&&&&&&&&&&&01036.&&&&&01,036 km2)
State map highlighting Wicomico County
Worcester County 047 Snow Hill 1742 From part of Somerset County Mary Arundell, the wife of Sir John Somerset, and sister of Anne Arundell, the wife of Cecil Calvert, 2nd Baron Baltimore Flag of Worcester County, Maryland.svg Seal of Worcester County, Maryland.png &&&&&&&&&&054171.&&&&&054,171 &&&&&&&&&&&&0695.&&&&&0695 sq mi
(&&&&&&&&&&&01800.&&&&&01,800 km2)
State map highlighting Worcester County

Counties That No Longer Exist

Some counties in Maryland existed for a while but were later changed or removed. Here are a few examples:

County Years of existence Meaning of Name
Old Charles County 1650–1654 Named after King Charles I of England.
Durham County 1669–1672 Named after the English County Durham.
Old Worcester County 1672–1685 Named after Mary Arundell, who was related to the Calvert family.

See also

Kids robot.svg In Spanish: Anexo:Condados de Maryland para niños

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