Marinette County's estimated 2025 population is 42,386 with a growth rate of 0.33% in the past year according to the most recent United States census data. Marinette County is the 36th largest county in Wisconsin. The 2010 population was 41,662 and has seen a growth of 1.74% since that time.
Data after 2023 is projected based on recent change
The racial composition of Marinette County includes 94.65% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 39,666 | 94.65% |
| Two or more races | 1,471 | 3.51% |
| Other race | 299 | 0.71% |
| Black or African American | 185 | 0.44% |
| Asian | 176 | 0.42% |
| Native American | 108 | 0.26% |
| Native Hawaiian or Pacific Islander | 2 | 0% |
Married
Widowed
Divorced
Separated
Never Married
Marinette County's average per capita income is $45,958. Household income levels show a median of $63,401. The poverty rate stands at 9.08%.
Name | Median | Mean |
|---|---|---|
| Married Families | $81,525 | $102,419 |
| Families | $75,829 | $94,710 |
| Households | $63,401 | $80,117 |
| Non Families | $41,609 | $51,874 |
Average Income
Median Household Income
Poverty Rate
