
Isle au Haut
- County:
- Knox County
- County Seat:
- No
- Area (mi²):
- 12.521
- State:
- Maine
Isle au Haut is located in Knox County, Maine. Isle au Haut has a 2025 population of 88. Isle au Haut is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 88 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.