CENTRAL MASSACHUSETTS For most marketing applications, the Central Massachusetts market is considered to be Worcester County. Extending about 40 miles east to west and 45 miles north to south from New Hampshire to Connecticut and Rhode Island, Worcester County contains a land area of 1,513 square miles, 43% larger than the state of Rhode Island, and is the largest county in Massachusetts. B O S TO N D M A / D E S I G N AT E D M A R K E T A R E A The Boston DMA, as currently defined by Nielsen Media Research, is the seventh largest DMA in the United States in total population and sixth largest in households. Worcester County is 43% larger than the entire state of Rhode Island.
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