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|Maryland Counties in 1790||
Brief History of
Around the State:|
Size & Population
Click on the map below or use the links below the map to find information on each county.
|| Anne Arundel
|| Baltimore City
|| Dorchester || Frederick || Garrett || Harford || Howard || Kent || Montgomery || Prince George's ||
|| Queen Anne's || St. Mary's || Somerset || Talbot || Washington || Wicomico || Worcester ||
Click image to take a look at the Maryland counties in 1790
|Formation & County Seats of Maryland Counties|
(click link for County homepage)
|Date Formed||County Seat||Formed From|
|Anne Arundel||1650||Annapolis||Original County|
|Baltimore County||1659||Towson||Original County|
|Calvert||1654||Prince Frederick||Original County|
|Caroline||1773||Denton||Dorchester, Queen Anne's|
|Charles||1658||La Plata||Original County|
|Howard||1851||Ellicott City||Baltimore, Anne Arundel|
|Prince George's||1695||Upper Marlboro||Charles, Calvert|
|St. Mary's||1637||Leonardtown||Original County|
|Somerset||1666||Princess Anne||Original County|
A Brief History of the Maryland Counties
1637 - St. Mary's created as original colony. Covered both sides of Chesapeake Bay.
1642 - Kent created from St. Mary's east of the bay.
1650 - Anne Arundel and Charles Counties are created from St. Mary's.
1654 - Patuxent is created from St. Mary's; Charles (old), non-county area. Charles (old) abolished. Anne Arundel name changed to Providence. St. Mary's name changed to Potomac.
1658 - Charles is created from Potomac. Patuxent name changed to Calvert. Potomac name changed back to St. Mary's. Providence name changed back to Anne Arundel.
1659 - Baltimore is created from Anne Arundel, Kent and non-county area.
1662 - Talbot is taken from Kent.
1666 - Somerset is taken from non-county area and extends to Atlantic.
1669 - Dorchester is created from non-county area; Durham and an unnamed county are created from Somerset in an area that is now Delaware.
1671 - Kent gained from Talbot but still appears smallest of counties.
1672 - Worcester is created from Durham and the unnamed county in the area that is now Delaware.
1674 - Cecil County is created from Baltimore.
1685 - There was a royal decision dividing peninsula between Maryland and Delaware Colony but the boundary was not established. Worcester County, Md., was effectively eliminated.
1695 - Prince George's was created from Charles, Calvert and non-county area effective 1696.
1696 - Prince George's organized. Charles and St. Mary's gained from Calvert. Kent exchanged land with Talbot.
1698 - Anne Arundel exchanged land with Baltimore.
1706 - Queen Anne's was created from Kent, Talbot and Dorchester, effective 1707.
1707 - Kent gained from Cecil (but lost to QA).
1727 - Anne Arundel gained from Baltimore.
1742 - Worcester was created from Somerset.
1748 - Frederick was created from Prince George's and non-county area. Charles gained from Prince George's on the Potomac.
1750 - Frederick gained from Baltimore.
1773 - Harford was created from Baltimore effective 1774 and Caroline was created from Dorchester and Queen Anne's effective 1774.
1776 - Montgomery and Washington were created from Frederick.