Maine

Aroostook

67,105
2020 population
1840
first census record
19
census records

About Aroostook

Aroostook, Maine, first appears in the United States federal census in 1840, when it recorded a population of 9,413. At the most recent census, in 2020, its population stood at 67,105.

Its recorded population peaked at 106,064 in 1960, and has since declined by roughly 37 percent.

On the ground today, 6 documented military engagements have been recorded within the county, among them Aroostook War 1838-1839, Aroostook War — Lumberman Confrontations (1838–1839), Aroostook War — Lumberjack Incidents, and 57 places are listed on the National Register of Historic Places.

Population by decade

Census YearPopulationChart
202067,105
201071,870
200073,938
199086,936
198091,331
197092,463
1960106,064
195096,039
194094,436
193087,843
192081,728
191074,664
190060,744
189049,589
188041,700
187029,609
186022,479
185012,529
18409,413
Source

Population data from the United States decennial census, U.S. Census Bureau (public domain).

Battles & engagements in Aroostook

Military engagements that took place in Aroostook, Maine.

Aroostook War 1838-1839
1838
Aroostook War — Lumberman Confrontations (1838–1839)
1838
Aroostook War — Lumberjack Incidents
1839
Aroostook War — Lumberman's War
1839
Fort Fairfield Mobilization, Maine 1839
1839
Aroostook War — Lumberjack Confrontations
1839

Historic places in Aroostook

National Register of Historic Places listings in Aroostook, Maine.

Gustaf Adolph Lutheran Church
New Sweden
Daigle, Jean-Baptiste, House
Fort Kent
Michaud, Fortunat O., House
Van Buren
Fort Kent
Fort Kent
Sewall, William, House
Island Falls
US Post Office-Presque Isle Main
Presque Isle
Reed, Philo, House
Fort Fairfield
Unitarian Church of Houlton
Houlton
Cary Library
Houlton
Church of the Advent
Limestone
Big Black Site
Eagle Lake
Olsson, Anders and Johanna, Farm
New Sweden
Our Lady of Mount Carmel Catholic Church
Grand Isle
Market Square Historic District
Houlton
Sunset Lodge
Stockholm
Oakfield Station
Oakfield
St. David Catholic Church
Madawaska
Larsson-Noak Historic District
New Sweden
Leavitt, A. B., House
Sherman
Mansur, Walter P., House
Houlton
Roosevelt School
St. John
Acadian Landing Site
Madawaska
Governor Brann School
Van Buren
Maple Grove Friends Church
Maple Grove
Browse all Mainehistoric sites ›

Other counties in Maine

Explore census history and historic records for more Maine counties.

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Everything a full report reveals about Aroostook County, Maine

This page charts the census history of Aroostook County, Maine. A full Aubrey report for an address here pulls together everything the historical record holds about the ground, from the earliest settlement to the twentieth century:

Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Frequently asked about Aroostook

When does Aroostook first appear in the US census?
Aroostook, Maine first appears in the federal census in 1840, with a recorded population of 9,413.
What is the population of Aroostook?
At the most recent federal census (2020), Aroostook had a recorded population of 67,105.
When did Aroostook's population peak?
Aroostook's recorded population peaked at 106,064 in 1960.
Were any battles fought in Aroostook?
6 documented military engagements took place in Aroostook, including Aroostook War 1838-1839, Aroostook War — Lumberman Confrontations (1838–1839), Aroostook War — Lumberjack Incidents.
How many historic places are in Aroostook?
57 sites are listed on the National Register of Historic Places in Aroostook, Maine.
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