How many people live in Aroostook County, ME?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 66,800 people living in Aroostook County, ME. That makes Aroostook County the sixth-most populous county in Maine. It is home to 4.7% of people living in the state.
66.8K
population of Aroostook County, ME (2024)
4.7%
County share of the Maine population (2024)
About 66,800 people lived in Aroostook County, ME in 2024.
Population estimates, 2000–2024
What are Aroostook County, ME’s age demographics?
About 17,600 Aroostook County, ME residents are aged 65 and older in 2024. That represents 26.4% of its population. For comparison, the age group represents 23.5% of Maine’s population and 18% in the US overall.
Another 12,400 Aroostook County residents, or 18.6% of the population, were children under 18. For comparison, the age group represents 17.6% of Maine’s population and 21.6% in the US overall.
A higher share of Aroostook County, ME's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Aroostook County, ME’s racial and ethnic demographics?
Non-Hispanic white residents make up 92.9% of the Aroostook County, ME population, higher than the national share of 57.5%. Aroostook County, ME also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (1.8%) than the US overall (0.72%).
In contrast, Aroostook County’s Hispanic population accounts for 2%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 1% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Aroostook County, ME has a higher share of a non-Hispanic white population than Maine as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Aroostook County, ME is Presque Isle with about 8,700 residents in 2024.
Cities and towns in Aroostook County, ME ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Presque Isle | 8,728 |
| 2. | Caribou | 7,328 |
| 3. | Houlton | 6,005 |
| 4. | Fort Kent | 4,159 |
| 5. | Madawaska | 3,844 |
| 6. | Fort Fairfield | 3,293 |
| 7. | Van Buren | 1,999 |
| 8. | Mapleton | 1,905 |
| 9. | Washburn | 1,510 |
| 10. | Limestone | 1,496 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
