Mount Rainier /reɪˈnɪər/ is a city in Prince George's County, Maryland, United States, bordering Washington D.C . The population was 8,080 at the 2010 census. Mount Rainier is contained between the Northwest Branch Anacostia River, Cedar Lane Alley, and 34th Street to the north, 37th Street and 37th Place to the northeast, Upshur Street and Queens Chapel Road to the west, the Cargo Train/ the former 82 Streetcar tracks to the east, and Eastern Avenue NE to the south. Mount Rainier got its start as a streetcar suburb. (See Streetcars in Washington, D.C.) According to local tradition, surveyors from the Pacific Northwest named the town, giving the streets names such as "Shasta" and "Cascade". Historic U.S. 1 runs through the center of the town and serves as the main street and central business district.
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