Washington County, Maryland Washington County, Maryland Washington County is located in the western part of the U.S. state of Maryland. As of the 2010 census, the population was 147,430. Its county seat is Hagerstown. Washington County was the first county in the United States to be named for the Revolutionary War general (and later President) George Washington. Washington County is one of three Maryland counties recognized by the Appalachian Regional Commission as being part of Appalachia. The county borders southern Pennsylvania to the north, Northern Virginia to the south, and the Eastern Panhandle of West Virginia to the south and west. Washington County
Maryland in the American Revolution first person to serve a full term as President of the Congress under the Articles of Confederation. From November 26, 1783, to June 3, 1784, Annapolis served as the United States capital and the Confederation Congress met in the Maryland State House. (Annapolis was a candidate to become the new nation's permanent capital before Washington, D.C. was built). It was in the old senate chamber that George Washington resigned his commission as commander in chief of the Continental Army on December 23, 1783. It was also there that the Treaty of Paris, which ended the Revolutionary War, was ratified by