Island Lake township

County:: Mahnomen County
County Seat:: No
Area (mi²):: 34.41
State:: Minnesota

Island Lake township is located in Mahnomen County, Minnesota. Island Lake township has a 2025 population of 303. Island Lake township is currently declining at a rate of -0.66% annually and its population has decreased by -2.57% since the most recent census, which recorded a population of 311 in 2020.

The average household income in Island Lake township is $79,692 with a poverty rate of 9.21%.The median age in Island Lake township is 30.5 years: 33.2 years for males, and 25.8 years for females.

Demographics

The racial composition of Island Lake township includes 86.18% White, 9.87% Native American, and smaller percentages for other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	262	86.18%
Native American	30	9.87%
Two or more races	11	3.62%
Other race	1	0.33%

Island Lake township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Island Lake township's average per capita income is $38,542. Household income levels show a median of $58,125. The poverty rate stands at 9.21%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$98,750	-
Families	$77,083	$93,772
Households	$58,125	$79,692
Non Families	$37,679	$36,077

$38,542

Average Income

$58,125

Median Household Income

9.21%

Poverty Rate