Acton is a town in Middlesex County, Massachusetts, United States, approximately 21 miles west-northwest of Boston along Route 2 west of Concord and about ten miles southwest of Lowell. The population was 21,929 at the 2010 census, but is now expected to be 23,662. It is bordered by Westford and Littleton to the north, Concord and Carlisle to the east, Stow, Maynard, and Sudbury to the south and Boxborough to the west. Acton became an incorporated... Show more

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