Hagerstown, city, seat of Washington County, northwestern Maryland, near the Potomac River; laid out 1762, incorporated 1814. It is an industrial hub in the rich farmland of the Cumberland Valley. Motor-vehicle parts, aircraft, heavy cleaning equipment, pipe organs, textiles, and furniture are among the manufactures. A junior college is here. Nearby are Antietam National Battlefield and Fort Frederick (1756; partly restored). The city is named for its founder, Jonathan Hager, whose house still stands. Population 34,132 (1980); 35,445 (1990); 36,687 (2000).
