Change Indicator

Population estimates by age group in Massachusetts

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Definition and Source



Number – Estimated number of individuals living in each city or town (also known as “county subdivision”).

S – Estimate suppressed if less than or equal to 10.

Data Source

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates, Table DP05. Updated December 2022 with data from 2016-2020.


These are estimates based on a survey, and they may be highly unreliable for towns with small populations due to small sample sizes.

When comparing estimates over time, researchers recommend comparing time periods that do not include overlapping years.

Last Updated

December 2022