Somerville is a city located directly to the northwest of Boston, and north of Cambridge, in Middlesex County, Massachusetts, United States. As of the 2020 United States Census, the city had a total population of 81,045 people. With an area of 4.12 square miles, the city has a density of 19,671/sq mi, making it the most densely populated municipality in New England and the 19th most densely populated incorporated municipality in the country.
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