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
Laurel, Maryland the poverty line, including 7.8% of those under age 18 and 6.4% of those age 65 or over. Laurel is traversed from north to south by U.S. Route 1 (US 1), which links Key West, Florida with the Canada–US border in Maine. On the west, the city is bordered by Interstate 95, and beyond the eastern border lies the Baltimore-Washington Parkway. Crossing all of these highways is the east-west artery of Maryland Route 198 (MD 198), which intersects with US 1 in the heart of Laurel. Other major state roads in Laurel are MD 216, which connects the city with