Sudbury is a town in Middlesex
County, Massachusetts. Lowell (along with Cambridge) was a county
seat in Middlesex County until Massachusetts disbanded county
government in 1999. Boston is the capital city of the Commonwealth
of Massachusetts.
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According to census.gov, Middlesex County, Massachusetts has the
most population with 1,473,416 people in 2007.
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The largest county in Massachusetts is Boston County.