Geography of Maryland

Longitude and Latitude


maryland map

Longitude: 75° .03'W to 79° 29'W
Latitude: 37° 53'N to 39° 43'N


​ ​​

Length and Width


maryland map

Maryland is about 250 miles long and 100 miles wide.


Chesapeake Bay


maryland map

Maryland is bordered by the Chesapeake Bay. The Chesapeake Bay is 195 miles long and has coast lines in both Maryland and Virginia. Its width varies from 3 to 20 miles. It is approximately 1,726 square miles.


Geographic Center


maryland map

The geographic center of Maryland is located in Prince Georges County, 4.5 miles NW of Davidsonville. Longitude: 77° 22.3'W Latitude: 39° 26.5'N




maryland map

Maryland is bordered by the Chesapeake Bay, by Pennsylvania on the north, and a small piece of Virginia on the south. On the east, Maryland is bordered by the Atlantic Ocean and Delaware. West Virginia and Virginia border Maryland on the west. The mid portion of the state is interrupted by Washington, D.C, which was originally part of Montgomery and Prince George's Counties


Total Area


maryland map

Maryland covers 12,407 square miles, making it the 42nd largest of the 50 states.


Lowest Point


maryland map

The lowest point in Maryland is sea level at the Atlantic Ocean.


Highest Point


maryland map

The highest point in Maryland is Hoye-Crest on Backbone Mountain at 3,360 feet above sea level.




maryland map

Winter - 35° F and Summer 74° F
Average yearly rainfall is 40.46".

Record High and Low Temperatures
HIGH: Cumberland: 109.0° F on July 10, 1936
(this temperature was also recorded on earlier dates)
LOW: Oakland: -40.0° F on January 13, 1912



Major Rivers


maryland map

Patapsco River,
Patuxent River,
Potomac River,
Susquehanna River


Major Lakes

maryland map

Deep Creek Lake,
Loch Raven Reservoir,
Prettyboy Reservo


Largest Cities, Towns & Other Census Places

Human Trafficking GET HELP

National Human Trafficking Hotline - 24/7 Confidential

1-888-373-7888 233733 More Information on human trafficking in Maryland

Customer Service Promise

The State of Maryland pledges to provide constituents, businesses, customers, and stakeholders with friendly and courteous, timely and responsive, accurate and consistent, accessible and convenient, and truthful and transparent services.

Take Our Survey

Help Stop Fraud in State Government

The Maryland General Assembly’s Office of Legislative Audits operates a toll-free fraud hotline to receive allegations of fraud and/or abuse of State government resources. Information reported to the hotline in the past has helped to eliminate certain fraudulent activities and protect State resources.

More Information