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Time Zone: Aroostook County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Houlton is the Seat for Aroostook County.

Aroostook County was founded in 1839. Aroostook was created by taking area from Penobscot and Counties.

From the Census Estimates for 2009, <1> Aroostook had a population of 71,488 people. This is a decrease of 3.31% since the last Census (which gave a population of 73,938 people in 2000).

At the time of the 2000 Census, Aroostook represented 5.8% of the total population of Maine, making it the state's 6th most populous county (out of 16 counties).

The following table shows the recent changes in population. Other than 2000, the population counts have been estimated by the Census Bureau.

Since 2000
Year-to-Year Change
201071,870-2.8%+0.53% since 2009
200971,488-3.31%-0.47% since 2008
200871,827-2.86%-0.31% since 2007
200073,938The Last Census

More information can be found on the Aroostook County Census Page for Aroostook County.


Below are some of the communities located in Aroostook County (for more communities, please visit our Nearby Page for Aroostook County):

Community 2009
(2009vs. 2000)
Presque Isle   9,0539,5114.82% decrease  
Caribou   8,0538,3123.12% decrease  
Houlton   6,1126,4765.62% decrease  
Madawaska   4,3204,5344.72% decrease  
Fort Kent   4,1974,2330.85% decrease  

Websites for Aroostook County

Official Website:   www.aroostook.me.us/

If you know of a history or genealogy society whose interest includes Aroostook County, would you please send us the URL for their website? We would like to add their link to our Gazetteer. To contact us, please visit our Feedback Page.

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Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2000 Census and the next count will be for the 2010 Census.

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<2>All Quarter-dollar coin images from the United States Mint.

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