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Gaithersburg, Maryland Map and Directory


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Montgomery County, Maryland locator map According to the United States Census Bureau, Gaithersburg is a City that is located in Montgomery County, Maryland at 39.14 degrees North and 77.20 degrees West.  The city's time zone is America/New York, and the city's primary telephone area code is 301.  The land area of Gaithersburg is about 10.25 square miles, whereas the water area of the city is about 0.14 square miles.  Montgomery County's land area is about 491 square miles, so the city occupies about 2.1 percent of the county's total land area.

The Census Bureau estimates that Gaithersburg had about 68,710 residents in 2017, which is approximately 6,703 people per square mile of land area. 

According to recent American Community Survey data, Gaithersburg had 22,818 total estimated households and the median household income was about $78,441 per year. 

The Maryland counties map at upper right shows Montgomery County, highlighted in red.  Use the menu below to display interactive maps of Gaithersburg, either in a frame on this page or in full-screen mode. 

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