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
Aroostook County is a county in Maine with a population of 67,227. It ranks #6 among counties in Maine by population. The median age is 48.4, older than the national median. The population is 50.0% male and 50.0% female.
The median household income in Aroostook County is $54,254, below the US median of $74,580. 8.4% of residents live below the federal poverty level. Home values sit at a median of $131,700, with monthly rent averaging $736. The homeownership rate of 74.4% is higher than the national rate of 64.8%.
Educational attainment in Aroostook County reflects 22.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 19.0 minutes each way.
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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Full rankings of Maine counties
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.