Isle au Haut is located in Knox County, Maine. Isle au Haut has a 2025 population of 84. Isle au Haut is currently declining at a rate of -1.18% annually and its population has decreased by -2.33% since the most recent census, which recorded a population of 86 in 2020.
The average household income in Isle au Haut is $264,746 with a poverty rate of 3.39%. The median age in Isle au Haut is 71.4 years: 71.5 years for males, and 71.4 years for females.
Data after 2023 is projected based on recent change
The racial composition of Isle au Haut includes 100% White, and smaller percentages for and multiracial populations.
White (100.0%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 59 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Isle au Haut's average per capita income is $0. Household income levels show a median of $0. The poverty rate stands at 3.39%.
Name | Median | Mean |
|---|---|---|
| Married Families | $250,001 | - |
| Non Families | $45,357 | $48,036 |
| Households | - | $264,746 |
| Families | - | $515,674 |
Average Income
Median Household Income
Poverty Rate