Mosinee is a city located in Marathon County, Wisconsin. Mosinee has a 2025 population of 4,531 . Mosinee is currently declining at a rate of -0.02% annually but its population has increased by 1.61% since the most recent census, which recorded a population of 4,459 in 2020.
The median household income in Mosinee is $71,314 with a poverty rate of 10.31%. The median age in Mosinee is 33 years: 35.6 years for males, and 30.6 years for females. For every 100 females there are 87.6 males.
Data after 2023 is projected based on recent change
The racial composition of Mosinee includes 98.53% White, and smaller percentages for Asian and multiracial populations.
White (98.53%)
Asian (1.47%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 4,426 | 98.53% |
| Asian | 66 | 1.47% |
Married
Widowed
Divorced
Separated
Never Married
Mosinee's average per capita income is $51,496. Household income levels show a median of $71,314. The poverty rate stands at 10.31%.
Name | Median | Mean |
|---|---|---|
| Married Families | $120,375 | - |
| Families | $99,079 | $106,501 |
| Households | $71,314 | $82,834 |
| Non Families | $55,870 | $59,285 |
Average Income
Median Household Income
Poverty Rate