Aroostook County, Maine Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 6th-largest in Maine
The population of Aroostook County, Maine is 67,227 as of the 2023 American Community Survey, making it the 6th-largest county in Maine. The median household income is $54,254, the median home value is $131,700, and the median age is 48.4.
The population of Aroostook County has declined 6.9% since 2010 (71,699 → 66,776), a -0.51% annualized rate.
67,227
Population
-0.51%
Annual growth
10
People / sq mi
$54,254
Median Income
$131,700
Median Home Value
Aroostook County covers 6,671 sq mi of land at 10.1 people per square mile.
About Aroostook County, ME
Age is the most distinctive thing about Aroostook County: a median age of 48.4, older than the national median. Aroostook County is a county in Maine with a population of 67,227. It is the #6-largest of all counties in Maine nationally.
Earnings trail the nation, with the median household making $54,254, below the US median of $78,538. The poverty rate is 8.4%, below the national 12.4%. Housing is relatively affordable, with a median home value of $131,700, with typical rent around $736.
Roughly 22.4% of adults have a bachelor’s, below the national 35.0%. About 8.1% of the workforce is home-based, below the national 14.0%, and the average commute runs about 19 minutes each way.
The age structure shapes everything downstream in Aroostook County — from housing demand to the mix of working-age earners reflected in the income figures above.
Aroostook County Population History (2010-2024)
The county of Aroostook County had a population of 71,699 in 2010 and 66,776 in 2024, a -6.9% growth over 14 years. The peak was 71,699 in 2010. Average annual growth rate: -0.51%.
66,776
Population (2024)
71,699
Population (2010)
71,699
Peak (2010)
-0.51%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 71,699 |
| 2011 | 71,394 |
| 2012 | 70,786 |
| 2013 | 70,100 |
| 2014 | 69,565 |
| 2015 | 68,869 |
| 2016 | 68,319 |
| 2017 | 67,638 |
| 2018 | 67,302 |
| 2019 | 67,092 |
| 2020 | 67,053 |
| 2021 | 67,062 |
| 2022 | 67,250 |
| 2023 | 67,149 |
| 2024 | 66,776 |
Race & Ethnicity
| White | 93.4% |
| Black or African American | 0.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.8% |
| Two or More Races | 0.0% |
Age & Sex
48.4
Median Age
50.0%
Female
50.0%
Male
25.4%
Age 65+
Age Distribution
Children (under 15): 15.2% · Seniors (65+): 25.4%
Income & Poverty
| Median household income | $54,254$-17,519 vs state |
| Mean household income | $73,148 |
| Per-capita income | $33,136 |
| Poverty rate | 8.4%+1.9% vs state |
| Unemployment rate | 2.9% |
| Employment-to-population | 51.2% |
Top Industries by Employment
The largest employment sector in Aroostook County is professional & business services, accounting for 29.8% of workers.
How residents commute
0.0%
Drive alone
2.3%
Carpool
78.8%
Public transit
8.1%
Work from home
19.0 min
Avg commute
Housing
$131,700$-134,700 vs state
Median home value
$736
Median rent
74.4%
Homeownership rate
38,444
Total housing units
77.2%
Occupied
22.8%
Vacant
25.6%
Renter-occupied
Social & access
92.0%
With health insurance
89.0%
With broadband internet
22.0%
Foreign-born
10.0%
Veterans (18+)
20.8%
With a disability
85.8%
Speak language other than English at home
Education
91.2%
High School+
22.4%
Bachelor's+
Largest cities in Maine
Other counties in Maine
Part of Maine
Metro areas in Maine
County rankings
Frequently Asked Questions
Aroostook County, Maine has a population of 67,227 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 6th-largest county in Maine. Population density is 10 people per square mile.
The population of Aroostook County has declined 6.9% since 2010 (71,699 → 66,776), a -0.51% annualized rate.
The median household income in Aroostook County, Maine is $54,254, with mean (average) household income of $73,148 and per-capita income of $33,136. 8.4% of residents live below the federal poverty level.
In Aroostook County, the largest racial and ethnic groups are White (93.4%), Hispanic or Latino (2.8%), Black or African American (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Aroostook County, Maine is 48.4 years. Residents are 50.0% female and 50.0% male.
The median home value in Aroostook County is $131,700 and median monthly rent is $736. 74.4% of occupied housing units are owner-occupied. The county has 38,444 total housing units, 22.8% of which are vacant.
The largest employment sector in Aroostook County, Maine is professional, scientific, and management services, employing 29.8% of workers. The unemployment rate is 2.9%.
Portland is among the largest cities associated with Aroostook County, Maine, with a population of 68,505.
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Statewide data for Maine
Population, race, income, age, and trends across Maine
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.