Gaithersburg, officially the City of Gaithersburg, is a city in Montgomery County, Maryland, United States. At the time of the 2010 U.S. Census, Gaithersburg had a population of 59,933, making it the fourth-largest incorporated city in the state, behind Baltimore, Frederick, and Rockville. Gaithersburg is located to the northwest of Washington, and is considered a suburb and a primary city within the Washington–Arlington–Alexandria, DC–VA–MD–WV Metropolitan... Show more

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