Population ages 18-64 by age group 1997-2007 & 2012-2017 in Maine

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Why This Indicator Matters

Having an overall count by age group and county helps understand issues of access and service use by county. Seeing trends over time of populations in age groups shows counties that are gaining or losing population.

What the data shows

For Maine as a whole, both the young adult population, ages 18-24 and the adult population ages 25-64 have declined from 2012 to 2017. Statewide, ages 18 -24 were down by 6,031 or 5.2%, while adults ages 25-64 were down by 13,808 or 1.9%.

At the county level for the most recent year, Penobscot had 3,148 fewer young adults ages 18 -24 in 2017 compared to 2012, a reduction of 16% or about 35% of the total state's decrease for this age group. Hancock and Androscoggin had approximately 600 fewer young adults in 2017 compared to 2012, which is 14% and 6% reductions respectively. Cumberland, Knox and Lincoln gained in number of young adults between 2012 and 2017.

For the population ages 25-64, between 2012 and 2016, Aroostook had the highest decline in the number of people, with 2,897 less people or a 7.8% reduction. Washington County population for this age group declined by 1,272 or 7.5%. The only county that gained in population for ages 25-64 between 2012 and 2017 was Cumberland County which added 1,557 people or 1.0%.
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Definitions: The number of individuals ages 18-24 and ages 25-64.

Data Source: Maine Department of Health and Human Services, Office of Data, Research and Vital Statistics. 

Footnotes: Updated March 2019.