ARLINGTON, a township of Middlesex Co., Mass., U.S.A., immediately W. of Somerville and Cambridge, and 6-8m. N.W. of Boston. It is traversed by Massachusetts avenue, and by the Lexington branch of the Boston and Maine railroad, which has stations at the villages of Arlington and Arlington Heights. Its area is 5 1sq.m. The population was 36,094 according to the Federal census of 1930. It includes Spy pond, one of the prettiest bodies of water in the vicinity of Boston. Market-gardening is an important occupation, and there are factories which make piano cases, boiler finishings, and picture frames. Arlington became a separate town in 1 807 under the name of West Cambridge. The present name was adopted in 1867.
See B. and W. R. Cutter, History of the Town of Arlington . . . 1637-1879 (Boston, 188o) ; and C. S. Parker, The Town of Arlington, Past and Present (Arlington, 1907) .