Washington County is located in the western part of the U.S. state of Maryland. As of the 2020 census, the population was 154,705. It is the most populous county in the Western Maryland region and its county seat is Hagerstown. Washington County was the first county in the United States to be named for the Revolutionary War general 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 Martinsburg Panhandle of West Virginia to the south and west. Washington County is included in the Hagerstown-Martinsburg, MD-WV Metropolitan Statistical Area, which is also included in the Washington-Baltimore-Arlington, DC-MD-VA-WV-PA Combined Statistical Area.

Founded: September 6, 1776
Named for: George Washington
Seat: Hagerstown
Largest city: Hagerstown
Total: 467 sq mi (1,209.52 km²)
Land: 458 sq mi (1,186.21 km²)
Water: 9.6 sq mi (24.86 km²), 2.0
Time zone: Eastern: UTC-5-4
Twitter profile: washingtoncomd
Wikidata description: county in Maryland, United States
Wikidata id: Q511164
Wikidata label: Washington County
Wikidata aliases: Array
Source
Results from DuckDuckGo

Agency Contact Information