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, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Native American

Two or more races

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

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%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

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