Hagerstown is a city in Washington County, Maryland, United States and the county seat of Washington County. The population of Hagerstown city proper at the 2010 census was 39,662, and the population of the Hagerstown-Martinsburg Metropolitan Area was 269,140. Hagerstown ranks as Maryland's sixth-largest incorporated city.Hagerstown has a distinct topography, formed by stone ridges running from northeast to southwest through the center of town. Geography... Show more

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