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The 2000 Census showed that Aroostook County had a population of 73,938 people. This represented 5.8% of the total population of Maine, making it the state's 6th most populous county (out of 16 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 2000 Census.

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
200772,048-2.56%-0.18% since 2006
200672,178-2.38%-0.21% since 2005
200572,328-2.18%-0.24% since 2004
200472,499-1.95%-0.17% since 2003
200372,622-1.78%-0.21% since 2002
200272,777-1.57%-0.13% since 2001
200172,873-1.44%-1.44% since 2000
200073,938The Last Census

Aroostook County had 38,719 Housing Units<2> at the time of the 2000 Census.

The 2000 Census shows that Aroostook County has a total area<3> of 6,828 square miles [17,686 km²]. Of this total, 6,671 square miles [17,279 km²] of the area is land, with the balance (2.3%) being water (157.2 square miles [407.3 km²]).

Using the above population and land area values, Aroostook County had a population density of 11.08 people per square mile [4.28 people/km²], making it the state's 15th most densely populated county (out of 16 counties).

US Census QuickFacts

The Census Bureau has created documents containing demographic information that are called QuickFacts. A QuickFact that is specific to Aroostook County is available. The QuickFact also contains a comparison between Aroostook and the state of Maine.

Click here for the Aroostook County QuickFact (QF-23003).

Below are some of the communities that are located in Aroostook County:

(2009 Est)
(2000 Census)
Change in
Presque IsleQF-23608259,0539,511-4.82%

Below are the counties that adjoin and form the boundaries of Aroostook County. A link to their specific Census QuickFact has been provided.

(2009 Est.)
(2000 Census)
Change in
PenobscotQF-23019   S149,419144,9193.11%
PiscataquisQF-23021   SW16,79517,235-2.55%
SomersetQF-23025   SW50,94750,8880.12%
WashingtonQF-23029   S32,10733,941-5.4%

The Canadian Province of Quebec lies to the northwest and the Province of New Brunswick to the east.

Other Roadside Stops ...

About Maine

Index of Cities, Towns and Villages for Maine

Off-the-Road Links ...

U.S. Census Bureau
Census QuickFact for Aroostook County

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>A Housing Unit is a broad term for those places where people live (whether occupied or temporarily vacant), such as a house, an apartment, a mobile home, or an area that is considered as a separate living quarter. Separate living quarters (consisting of one or more rooms) are considered to be those places where people live, sleep and eat separately from others and that have access to the outside (either directly or by a shared hallway).

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<3>The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Aroostook. The value given by the Census Bureau reflects their statistical (or sampling) requirements.

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<4>All Quarter-dollar coin images from the United States Mint.

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