Aroostook County Population

1840–2026

66,293

2026 projection

1.1% since 2020 (decrease)

020K40K60K80K100K120K1840186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Aroostook County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202666,293-3160.47%
202566,609-3160.47%
202466,925-4050.60%
202367,330+350.05%
202267,295+2200.33%
202167,075+240.04%
202067,051-410.06%
201967,092-2100.31%
201867,302-3360.50%
201767,638-6811.00%

Showing 10 of 33 years.

Aroostook County Demographics

48.3median age

Median age

Female49.7 yrs
Male46.9 yrs

Adults

54,549
17,212 seniors (65+) · 32% of adults37,337 other adults

Sex

Female 50% · 33,499Male 50% · 33,559

Population by age

MaleFemale85+ years, male: 79785+ years, female: 1,29480–84 years, male: 82280–84 years, female: 1,32175–79 years, male: 1,52175–79 years, female: 1,42370–74 years, male: 2,24370–74 years, female: 2,34865–69 years, male: 2,71565–69 years, female: 2,72860–64 years, male: 2,88360–64 years, female: 2,67055–59 years, male: 2,50155–59 years, female: 2,64850–54 years, male: 2,22750–54 years, female: 2,23745–49 years, male: 1,93845–49 years, female: 1,90240–44 years, male: 1,95940–44 years, female: 1,92535–39 years, male: 1,59735–39 years, female: 1,70530–34 years, male: 1,72930–34 years, female: 1,67525–29 years, male: 1,68325–29 years, female: 1,62020–24 years, male: 1,65020–24 years, female: 1,45915–19 years, male: 2,01515–19 years, female: 1,68810–14 years, male: 2,14110–14 years, female: 1,6315–9 years, male: 1,5455–9 years, female: 1,7350–4 years, male: 1,5930–4 years, female: 1,49085+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K2K2K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 671 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Aroostook County Income

$56,700median household income

Median household income

$56,700

Half of households earn more, half earn less

Median earnings

$45,068

Typical yearly pay for a worker 25 or older.

Poverty rate

14.4%

About 1 in 7 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Aroostook County Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%53%52%
Never married26%29%23%
Divorced13%14%12%
Widowed8%4%12%
Separated1%<1%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201