Population estimates by age group by county in Massachusetts

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Data Provided By


Number – Estimated number of individuals living in each county.

Data Source:

From the U.S. Census Bureau, Decennial Census 2010 and Annual Estimates of the Resident Population for Selected Age Groups


The estimates are based on the 2010 Census and reflect changes to the April 1, 2010 population due to the Count Question Resolution program and geographic program revisions. For population estimates methodology statements, see http://www.census.gov/popest/methodology/index.html.


LAST UPDATED: October 2016 with data from June 2016