Thunder Lake township is located in Cass County, Minnesota. Thunder Lake township has a 2026 population of 243. Thunder Lake township is currently declining at a rate of 0% annually and its population has increased by 3.85% since the most recent census, which recorded a population of 234 in 2020.
The median household income in Thunder Lake township is $72,750 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. For every 100 females there are 108.8 males.
Data after 2023 is projected based on recent change
The racial composition of Thunder Lake township includes 98.32% White, and smaller percentages for Asian, Two or more races and multiracial populations.
White (98.32%)
Asian (1.26%)
Two or more races (0.42%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 234 | 98.32% |
| Asian | 3 | 1.26% |
| Two or more races | 1 | 0.42% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $93,958 | - |
| Families | $92,708 | $108,607 |
| Households | $72,750 | $90,655 |
| Non Families | - | $66,623 |
Average Income
Median Household Income
Poverty Rate