Thunder Lake township

County:: Cass County
County Seat:: No
Area (mi²):: 32.372
State:: Minnesota

Thunder Lake township is located in Cass County, Minnesota. Thunder Lake township has a 2025 population of 242. Thunder Lake township is currently growing at a rate of 0.41% annually and its population has increased by 4.76% since the most recent census, which recorded a population of 231 in 2020.

The average household income in Thunder Lake township is $90,655 with a poverty rate of 7.14%.The median age in Thunder Lake township is 66.9 years: 65.8 years for males, and 69.8 years for females.

Demographics

The racial composition of Thunder Lake township includes 98.32% White, and smaller percentages for Asian, Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	234	98.32%
Asian	3	1.26%
Two or more races	1	0.42%

Thunder Lake township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Thunder Lake township's average per capita income is $52,188. Household income levels show a median of $72,750. The poverty rate stands at 7.14%.

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	$93,958	-
Families	$92,708	$108,607
Households	$72,750	$90,655
Non Families	-	$66,623

$52,188

Average Income

$72,750

Median Household Income

7.14%

Poverty Rate