Island Lake township Flag

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 2026 population of 306. Island Lake township is currently declining at a rate of -0.65% annually and its population has decreased by -2.24% since the most recent census, which recorded a population of 313 in 2020.

The median household income in Island Lake township is $73,750 with a poverty rate of 9.78%. The median age in Island Lake township is 27.9 years: 31.2 years for males, and 27 years for females. For every 100 females there are 108.1 males.

306
Total Population
8.9
Density (mi²)
-2 -0.65%
Growth

Island Lake township Population

Island Lake township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026306-2-0.65%
2025308-2-0.65%
2024310-2-0.64%
2023312-1-0.32%
2022313-2-0.63%
202131520.64%
2020313-2-0.63%
201924131.26%
2018238-3-1.24%
201724141.69%
201623720.85%
2015235-3-1.26%
201423820.85%
2013236-1-0.42%
201223710.42%
201123631.29%
201023410.43%

Median Age

Overall: 27.9 years
Female: 27 years
Male: 31.2 years

Island Lake township Adults

There are 229 adults, (54 of whom are seniors) in Island Lake township.

Sex Ratio

Female: 172 (48%)
Male: 186 (52%)

Demographics

The racial composition of Island Lake township includes 82.96% White, 8.94% Native American, and smaller percentages for other race, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White29782.96%
Native American328.94%
Two or more races215.87%
Other race51.4%
Black or African American30.84%
Race
Population ↓
Percentage (of total)
White154.19%
Two or more races30.84%
Other race30.84%
Race
Population ↓
Percentage (of total)
White28278.77%
Native American328.94%
Two or more races185.03%
Black or African American30.84%
Other race20.56%

Island Lake township Marital Status

Economics and Income Statistics

Island Lake township 's average per capita income is $45,750. Household income levels show a median of $73,750. The poverty rate stands at 9.78%.

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$96,250-
Families$93,125$100,600
Households$73,750$86,053
Non Families$41,875$47,174

$45,750

Average Income

$73,750

Median Household Income

9.78%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)