Maps of Maryland are a vital tool when it comes to ancestral and family history research, notably in the event you live far away from where your ancestor lived.
Due to the fact that Maryland’s political borders have often changed over the years, historic maps are critical in helping you find out the precise location of your ancestor’s home, exactly what land they owned, just who their neighbors were, and much more besides.
Maps of Maryland are an outstanding resource to help get you started with your research, given that they provide reliable information and facts in a quick and easily understandable manner.
The largest cities in Maryland are Baltimore, Frederick, Rockville, Gaithersburg, Bowie, Hagerstown, Annapolis, College Park, Salisbury, and Greenbelt.
Learn more historical facts about Maryland counties here.
Interactive Map of Maryland County Formation History
AniMap Plus 3.0, with the permission of the Goldbug Company
List of Every Maryland County
Allegany County
Established in 1789, Allegany County is located in the western part of the state, bordering Pennsylvania and West Virginia. It has a population of approximately 70,000.
Anne Arundel County
Founded in 1650, Anne Arundel County is located in the central part of the state, bordering the Chesapeake Bay. It has a population of around 580,000.
Baltimore City
Although not technically a county, Baltimore City is an independent city located in central Maryland. It has a population of approximately 600,000.
Baltimore County
Established in 1659, Baltimore County is situated in the northern part of the state, bordering Pennsylvania. It is home to around 830,000 people.
Calvert County
Calvert County is located in the southern part of the state, bordering the Chesapeake Bay, and was established in 1654. It has a population of approximately 92,000.
Caroline County
Founded in 1773, Caroline County is located in the eastern part of the state, bordering Delaware. It has approximately 34,000 residents.
Carroll County
Established in 1837, Carroll County is situated in the central part of the state, bordering Pennsylvania. It has a population of around 170,000.
Cecil County
Cecil County is located in the northeastern part of the state, bordering Delaware and Pennsylvania, and was established in 1674. It is home to approximately 103,000 people.
Charles County
Founded in 1658, Charles County is located in the southern part of the state, bordering Virginia and the Potomac River. It has a population of around 164,000.
Dorchester County
Established in 1668, Dorchester County is situated in the eastern part of the state, bordering the Chesapeake Bay. It has approximately 31,000 residents.
Frederick County
Frederick County was established in 1748 and is located in the northern part of the state, bordering Pennsylvania and West Virginia. It has a population of approximately 265,000.
Garrett County
Founded in 1872, Garrett County is located in the western part of the state, bordering Pennsylvania and West Virginia. It is home to around 29,000 people.
Harford County
Established in 1773, Harford County is situated in the northeastern part of the state, bordering Pennsylvania. It has approximately 255,000 residents.
Howard County
Howard County is located in the central part of the state, bordering Baltimore City and Montgomery County, and was founded in 1851. It has a population of around 335,000.
Kent County
Established in 1642, Kent County is situated in the eastern part of the state, bordering Delaware. It has approximately 20,000 residents.
Montgomery County
Founded in 1776, Montgomery County is located in the central part of the state, bordering Washington D.C., and Virginia. It has a population of roughly 1.1 million.
Prince George’s County
Established in 1696, Prince George’s County is situated in the central part of the state, bordering Washington D.C., and Virginia. It has a population of approximately 920,000.
Queen Anne’s County
Queen Anne’s County is located in the eastern part of the state, bordering the Chesapeake Bay, and was established in 1706. It is home to around 52,000 people.
Somerset County
Established in 1666, Somerset County is situated in the eastern part of the state, bordering the Chesapeake Bay. It has a population of roughly 26,000.
St. Mary’s County
Founded in 1637, St. Mary’s County is located in the southern part of the state, bordering Virginia and the Potomac River. It has approximately 118,000 residents.
Talbot County
Established in 1662, Talbot County is situated in the eastern part of the state, bordering the Chesapeake Bay. It has a population of around 38,000.
Washington County
Washington County was founded in 1776 and is located in the western part of the state, bordering Pennsylvania and West Virginia. It is home to approximately 150,000 people.
Wicomico County
Established in 1867, Wicomico County is situated in the eastern part of the state, bordering the Chesapeake Bay. It has roughly 103,000 residents.
Worcester County
Worcester County is located in the eastern part of the state, bordering the Chesapeake Bay and Delaware, and was established in 1742. It has a population of approximately 55,000.
Old Antique Atlases & Maps of Maryland
Disclaimer: All Maryland maps are free to use for your own genealogical purposes and may not be reproduced for resale or distribution. Source: David Rumsey Historical Map Collection
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1795 Map of Maryland
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1804 Maryland Atlas Map
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1814 Atlas Map of Maryland
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1822 Map Of District of Columbia
1822 Geographical, Historical, And Statistical Atlas Map Of District of Columbia
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1822 Map of Maryland
1822 Geographical, Historical, And Statistical Atlas Map Of Maryland
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1827 Map of Virginia and Maryland
1827 Map of Virginia and Maryland, Constructed from the Latest Authorities. (inset) Plan of Washington City & Georgetown
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1836 Atlas Map Of Maryland and Delaware
1836 Atlas Map Of Maryland and Delaware with their Canals, Roads & Distances(with) Baltimore. Entered … 1833
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1845 Maryland Map
1845 Maryland and Delaware (with) District of Columbia. Atlas Map
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1856 Maryland Map
1856 Delaware And Maryland. (with) District of Columbia. Atlas Map
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1856 City Of Baltimore Maryland Atlas Map
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1856 Georgetown And The City Of Washington Map
1856 Georgetown And The City Of Washington The Capital Of The United States Of America Atlas Map
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1880 Plan of Baltimore
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1880 Map of Maryland
1880 County map of New Jersey. County map of Maryland and Delaware
D.O.T. County Road and Highway Maps of Maryland
To View the Map: Just click the image to view the map online. In order to make the image size as small as possible, they were saved on the lowest resolution.
Maryland Map Links
- Maryland State Park Map (mapofus.org)
- Maryland Lakes and Rivers Map (mapofus.org)
- Maryland Digital Map Library (usgwarchives.net)
- Old Historical Maps of Maryland (alabamamaps.ua.edu)
- Maryland State Archives Map Collections (mdsa.net)
- Maryland Maps, Atlases & Gazetteers (ancestry.com)
- Maryland Maps – The Perry-Castañeda Library Map Collection (lib.utexas.edu)
- U.S., Indexed County Land Ownership Maps, 1860-1918 (ancestry.com)
- American Memory Map Collection: 1500-2004 (memory.loc.gov)
- Maryland USGenWeb Archives Digital Map Library (usgwarchives.net)
- University Libraries Maryland Map Collection (lib.umd.edu)
- The Huntingfield Map Collection (msa.md.gov)
- Maryland Map Books (amazon.com)
