Watertown is a city in Middlesex County, Massachusetts, United States. It is part of the Greater Boston area. The population was 31,915 at the 2010 census. Watertown is one of fourteen Massachusetts municipalities that have applied for, and been granted, city forms of government but wish to retain "The town of” in their official names. Watertown is served by the MBTA: bus service (71 and 73 to Harvard Square, along with the 502 and 504 express service to Boston from Watertown Yard). Watertown's proximity to Cambridge and Boston, along with its diverse housing stock, good public schools and safe and quiet neighborhoods, make it a desirable community for families with children. Watertown is made up of six neighborhoods: Bemis, Brigham (Brigham Historic District), Coolidge Square, East Watertown, Watertown Square and the West End.
Watertown is located at 42°22'17?N 71°10'55?W (42.37139, -71.18194). To the north, it is bordered by the town of Belmont, along Belmont Street; to the south, it is bordered by Newton and Brighton - the border being largely formed by the Charles River. In Watertown Square, the nexus of the town, the town's border extends south of the Charles to encompass the neighborhood surrounding Casey Playground. To the east lies the City of Cambridge, the border to which is almost entirely the well-known Mount Auburn Cemetery, most of which is actually in Watertown (though commonly believed to be in Cambridge). To the west lies the more expansive city of Waltham, but there is no clear geographic feature dividing the two municipalities. According to the United States Census Bureau, the city has a total area of 4.2 square miles (11 km2), of which 4.1 square miles (11 km2) is land and 0.1 square miles (0.1 km˛ or 1.20%) is water.
As of the census of 2000, there were 32,986 people, 14,629 households, and 7,329 families residing in the city. The population density was 8,025.7 people per square mile (3,098.8/km˛). There were 15,008 housing units at an average density of 3,651.5 per square mile (1,409.9/km˛).
Source: WikipediaImage: "Halcyon Lake, Mount Auburn Cemetery, Watertown MA" by John Phelan - Own work. Licensed under CC BY-SA 3.0 via Wikimedia Commons.