Isle Harbor township is located in Mille Lacs County, Minnesota. Isle Harbor township has a 2026 population of 569. Isle Harbor township is currently growing at a rate of 0.71% annually and its population has increased by 4.6% since the most recent census, which recorded a population of 544 in 2020.
The median household income in Isle Harbor township is $61,500 with a poverty rate of 8.99%. The median age in Isle Harbor township is 55.2 years: 56.6 years for males, and 53.3 years for females. For every 100 females there are 107.8 males.
Data after 2023 is projected based on recent change
The racial composition of Isle Harbor township includes 89.55% White, 7.84% Native American, and smaller percentages for other race, Black or African American, Two or more races and multiracial populations.
White (89.55%)
Native American (7.84%)
Other race (1.31%)
Black or African American (0.75%)
Two or more races (0.56%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 480 | 89.55% |
| Native American | 42 | 7.84% |
| Other race | 7 | 1.31% |
| Black or African American | 4 | 0.75% |
| Two or more races | 3 | 0.56% |
Married
Widowed
Divorced
Separated
Never Married
Isle Harbor township's average per capita income is $45,682. Household income levels show a median of $61,500. The poverty rate stands at 8.99%.
Name | Median | Mean |
|---|---|---|
| Married Families | $88,125 | - |
| Families | $83,750 | $109,991 |
| Households | $61,500 | $89,015 |
| Non Families | $29,634 | $44,957 |
Average Income
Median Household Income
Poverty Rate