In 1970, the United States Census Bureau considered North Potomac an unincorporated place that was part of two county subdivisions. North Potomac had been part of the Darnestown and Travilah areas. In late 1989, the U.S. Postal Service approved the North Potomac name for a region surrounded by the Montgomery County communities of Darnestown, Travilah, Gaithersburg and Rockville—and the Zip code used by most of North Potomac, 20878, is also used by Gaithersburg. North Potomac is bordered roughly by Maryland Route 28 (Darnestown Road), Travilah Road and Jones Lane, and is about 21 miles from Washington, D.C.
North Potomac is located in west central Montgomery County, northeast of the Potomac River and adjacent to Gaithersburg and Rockville. A stream called Muddy Branch runs through North Potomac and is a tributary of the Potomac River.In 2017, the Niche website ranked North Potomac as the best place to live in Maryland and 43rd in the nation of “more than 15,000 cities, towns and neighborhoods”. In 2019, Money Inc. named North Potomac the best place to live in Maryland. “Great schools”, low crime, and a “booming job market” were reasons cited for the ranking.
North Potomac is close to major employers such as Shady Grove Hospital and the technology companies along Interstate 270. Many residents commute to work using Interstate 270, while others drive (or take the bus) to Shady Grove Metro station where the subway system serves Washington, DC, and surrounding areas. Portions of the Washington Metropolitan Area Transit Authority’s (a.k.a. as “Metro” or “Metrorail”) subway system are located in Montgomery County, and Red Line stations on the west side of the county are closest to North Potomac. Among those west side Metro stations are Shady Grove (Gaithersburg), Rockville, and Twinbrook (south Rockville).
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