Aroostook County, Maine Demographics 2026

Population Overview

Aroostook County is located in Maine with a total population of 67,227. It is the 6th most populous county out of 16 in Maine. The county encompasses 2 Census-designated places.

Age Demographics

The median age in Aroostook County is 48.4 years. This is 8% higher than the state median of 44.8 years. 10.6% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Aroostook County is $54,254. This is 24% lower than the state median of $71,773. Compared to the national median of $78,538, household income here is 31% lower. The poverty rate stands at 14.4%. This is 34% higher than the state poverty rate of 10.8%. The unemployment rate is 5.4%. This is 37% higher than the state rate of 3.9%. The median home value is $131,700. Housing costs are 51% lower than the state median of $266,400. With a home-value-to-income ratio of just 2.4x, Aroostook County is one of the most affordable housing markets in the area. 74.4% of occupied housing units are owner-occupied.

Race & Ethnicity

Aroostook County has a predominantly White (non-Hispanic) population, comprising 92.9% of all residents. Hispanic or Latino residents account for 1.6%. The Black or African American population (0.7%) is well below the state average of 1.6%. The Asian population (0.4%) is well below the state average of 1.1%.

Education

22.4% of residents aged 25 and older hold a bachelor's degree or higher. This is 37% lower than the state rate of 35.3%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 91.2%.