List of counties in Maryland
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Maryland Counties
List of Maryland counties and independent city*
- Allegany County: formed in 1789 from part of Washington County. County seat: Cumberland.
- Anne Arundel County: formed in 1650 from unorganized territory. County seat: Annapolis. Was named Providence County between 1654 and 1658.
- Baltimore City: founded in 1729. Detached* in 1851 from Baltimore County.
- Baltimore County: formed in 1659 from unorganized territory. County seat: Towson.
- Calvert County: formed in 1654 as Patuxent County from unorganized territory. Renamed Calvert County in 1658. County seat: Prince Frederick.
- Caroline County: formed in 1773 from parts of Dorchester County and Queen Anne's County. County seat: Denton.
- Carroll County: formed in 1837 from parts of Baltimore County and Frederick County. County seat: Westminster.
- Cecil County: formed in 1672 from parts of Baltimore County and Kent County. County seat: Elkton.
- Charles County: formed in 1658 from unorganized territory. County seat: La Plata.
- Dorchester County: formed in 1668 from unorganized territory. County seat: Cambridge.
- Frederick County: formed in 1748 from part of Prince George's County. County seat: Frederick.
- Garrett County: formed in 1872 from part of Allegany County. County seat: Oakland.
- Harford County: formed in 1773 from part of Baltimore County. County seat: Bel Air.
- Howard County: formed in 1851 from parts of Anne Arundel County and Baltimore County. County seat: Ellicott City.
- Kent County: formed in 1642 from unorganized territory. County seat: Chestertown.
- Montgomery County: formed in 1776 from part of Frederick County. County seat: Rockville.
- Prince George's County: formed in 1695 from parts of Calvert County and Charles County. County seat: Upper Marlboro.
- Queen Anne's County: formed in 1706 from part of Talbot County. County seat: Centerville.
- St. Mary's County: formed in 1637 from unorganized territory. County seat: Leonardtown. Was named Potomac County between 1654 and 1658.
- Somerset County: formed in 1666 from unorganized territory. County seat: Princess Anne.
- Talbot County: formed in 1662 from part of Kent County. County seat: Easton.
- Washington County: formed in 1776 from part of Frederick County. County seat: Hagerstown.
- Wicomico County: formed in 1867 from parts of Somerset County and Worcester County. County seat: Salisbury.
- Worcester County: formed in 1742 from part of Somerset County. County seat: Snow Hill.
*Though an independent city rather than a county, the City of Baltimore is considered the equal of a county for most purposes.
Defunct counties:
- Charles County: formed in 1650 from part of Saint Mary's County. Abolished in 1654. Referred to as Old Charles County.
- Durham County: formed in 1669 from part of Somerset County and nonorganized territory. Abolished in 1672 and incorporated in Worcester County.
- Worcester County: formed in 1672 from part of Durham County and nonorganized territory. Lost in 1685 when Delaware Colony was established.
See also
Sources
- Maryland Formation Maps (http://www.negenealogy.com/md/md_maps/md_cf.htm)
- map Maryland QuickFacts from the US Census Bureau (http://quickfacts.census.gov/qfd/maps/maryland_map.html)
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State of Maryland |
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| State Capital: | |
| Regions: |
Western | Southern | Eastern Shore | Baltimore-Washington Metro Area | Chesapeake | Delaware Valley |
| Notable Cities: | Baltimore | Bowie | College Park | Cumberland | Frederick | Gaithersburg | Greenbelt | Hagerstown | Laurel | Rockville | Salisbury | Takoma Park | Westminster |
| Counties: |
Allegany | Anne Arundel | Baltimore City | Baltimore County | Calvert | Caroline | Carroll | Cecil | Charles | Dorchester | Frederick | Garrett | Harford | Howard | Kent | Montgomery | Prince George's | Queen Anne's | St. Mary's | Somerset | Talbot | Washington | Wicomico | Worcester |