Demographics of Aroostook County, Maine

Aroostook County, Maine had 66,609 people on July 1, 2025, by the Census Bureau’s estimate: −442 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Aroostook County, in four figures

66,609
Population: July 1, 2025, Vintage 2025 estimate.; −0.7%
Change since July 2020: −442 people.; 48.3 ±0.3
Median age: ACS 2020–⁠2024.; $56,700 ±$1,809
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Aroostook County, Maine's population shrank 0.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Aroostook County, Maine's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Aroostook County, Maine's population shrank 0.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Aroostook County, Maine's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	67,051	100.0	100.0
2021	67,075	100.0	100.2
2022	67,295	100.4	100.7
2023	67,330	100.4	101.6
2024	66,925	99.8	102.5
2025	66,609	99.3	103.1

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Population of Aroostook County, Maine on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	67,051	−40	−54	0	0
2021	67,075	+24	−403	+28	+352
2022	67,295	+220	−597	+92	+716
2023	67,330	+35	−526	+162	+412
2024	66,925	−405	−509	+43	+67
2025	66,609	−316	−504	+19	+167

Age, 2020–2024

The median age is 48.3 ±0.3: for men 46.9 ±0.3 and for women 49.7 ±0.3. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Aroostook County by age, ACS 2020–2024
Age	People	Share	Maine	United States
Under 5	3,083 ±61	4.6% ±0.1	4.5% ±<0.1	5.6% ±<0.1
5 to 17	9,426 ±342	14.1% ±0.5	13.6% ±0.2	16.3% ±<0.1
18 to 24	4,438 ±330	6.6% ±0.5	8.0% ±0.1	9.1% ±<0.1
25 to 44	13,893 ±421	20.7% ±0.6	24.2% ±0.2	26.9% ±<0.1
45 to 64	19,006 ±503	28.3% ±0.8	27.4% ±0.2	24.8% ±<0.1
65 and over	17,212 ±597	25.7% ±0.9	22.4% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $56,700 ±$1,809, and income per person $34,879 ±$1,464, in 2024 dollars. The median is $74,733 ±$795 in Maine and $80,734 ±$166 in the United States.

Households by income

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Households in Aroostook County by income, ACS 2020–2024
Household income	Households	Share	Maine	United States
Under $25,000	6,495 ±459	21.7% ±1.5	15.0% ±0.4	14.6% ±<0.1
$25,000 to $49,999	6,677 ±521	22.3% ±1.7	18.4% ±0.4	16.7% ±<0.1
$50,000 to $74,999	5,464 ±439	18.3% ±1.4	16.8% ±0.4	15.5% ±<0.1
$75,000 to $99,999	3,790 ±372	12.7% ±1.2	13.0% ±0.4	12.6% ±<0.1
$100,000 to $149,999	4,457 ±410	14.9% ±1.3	18.4% ±0.4	17.5% ±<0.1
$150,000 to $199,999	1,700 ±245	5.7% ±0.8	9.1% ±0.3	9.6% ±<0.1
$200,000 or more	1,349 ±236	4.5% ±0.8	9.4% ±0.3	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Aroostook County by age, ACS 2020–2024
Age	Below poverty	Rate	Maine	United States
All ages	9,399 ±813	14.4% ±1.2	10.7% ±0.3	12.5% ±0.1
Under 18	2,012 ±309	16.4% ±2.4	13.1% ±0.7	16.1% ±0.1
18 to 59	4,310 ±441	13.8% ±1.4	10.5% ±0.3	11.6% ±0.1
60 and over	3,077 ±339	14.1% ±1.5	9.7% ±0.4	11.0% ±<0.1

Housing, 2020–2024

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Housing in Aroostook County, ACS 2020–2024
Measure	Aroostook County	Maine	United States
Housing units	38,450 ±135	751,876 ±671	143,775,355 ±10,234
Occupied	77.8% ±1.2	79.4% ±0.3	89.9% ±0.1
Vacant	22.2% ±1.2	20.6% ±0.3	10.1% ±0.1
Owner occupied	74.5% ±1.3	74.3% ±0.5	65.2% ±0.3
Renter occupied	25.5% ±1.5	25.7% ±0.4	34.8% ±0.1
Median home value	$149,700 ±$6,059	$296,600 ±$2,876	$332,700 ±$236
Median gross rent	$784 ±$37	$1,139 ±$13	$1,413 ±$2
Median year built	1972 ±1	1977 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Aroostook County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Maine	United States
Hispanic or Latino	1,148 ±0	1.7% ±<0.1	2.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	62,059 ±178	92.5% ±0.3	89.9% ±0.2	57.4% ±<0.1
Black alone, not Hispanic	488 ±139	0.7% ±0.2	1.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	232 ±68	0.3% ±0.1	1.1% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	769 ±116	1.1% ±0.2	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	12 to 112	< 0.1% to 0.2%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	19 to 127	< 0.1% to 0.2%	0.4% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	2,227 ±290	3.3% ±0.4	4.2% ±0.2	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Aroostook County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Maine	United States
Born in the state	48,224 ±847	71.9% ±1.3	59.6% ±0.4	57.3% ±<0.1
Born in another state	15,020 ±842	22.4% ±1.3	35.2% ±0.3	26.9% ±<0.1
Born a citizen outside the states	1,058 ±197	1.6% ±0.3	1.1% ±0.1	1.7% ±<0.1
Born abroad	2,756 ±334	4.1% ±0.5	4.1% ±0.1	14.1% ±<0.1
Naturalized citizens	1,677 ±249	2.5% ±0.4	2.1% ±0.1	7.4% ±<0.1
Not citizens	1,079 ±205	1.6% ±0.3	1.9% ±0.1	6.8% ±<0.1

Aroostook County among the counties of Maine

6th of 16 by population, July 2025. Every one is listed on the Maine page.

Counties of Maine near Aroostook County in population, July 2025
County	July 2025	Change since 2020
Cumberland County	317,222	+4.5%
York County	222,434	+4.8%
Penobscot County	157,967	+3.8%
Kennebec County	129,067	+3.5%
Androscoggin County	116,487	+4.8%
Aroostook County	66,609	−0.7%
Oxford County	60,346	+4.2%
Hancock County	57,171	+3.0%
Somerset County	51,620	+2.3%
Knox County	41,117	+1.1%
Waldo County	40,693	+2.6%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026