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 Maryland, with large communities existing in the suburbs of Washington, D.C. (particularly Montgomery County and Prince George's County) and the city of Baltimore. The Greater Washington area has the largest population of Ethiopians outside of Africa. The Ethiopian community of Greater DC was historically based in Washington D.C.'s Adams Morgan and Shaw neighborhoods, but as the community has grown, many Ethiopians have settled in Silver Spring. The Washington, D.C. metropolitan area is also home to large Eritrean and Somali communities. The top reported ancestries by Maryland residents are: German (15%), Irish (11%), English (8%), American (7%), Italian (6%), and Polish