Marinette County's estimated 2026 population is 42,758 with a growth rate of 0.43% 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 2.63% since that time.
Data after 2023 is projected based on recent change
Overall: 48.7 years
Female: 49.6 years
Male: 48 years
There are 34,114 adults, (10,636 of whom are seniors) in Marinette County.
Female: 20,672 (49.2%)
Male: 21,374 (50.8%)
The racial composition of Marinette County includes 93.94% 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 | 39,496 | 93.94% |
| Two or more races | 1,638 | 3.9% |
| Other race | 330 | 0.78% |
| Black or African American | 214 | 0.51% |
| Asian | 214 | 0.51% |
| Native American | 120 | 0.29% |
| Native Hawaiian or Pacific Islander | 34 | 0.08% |
Marinette County's average per capita income is $47,766. Household income levels show a median of $63,809. The poverty rate stands at 9.76%.
Name | Median | Mean |
|---|---|---|
| Married Families | $82,399 | $100,459 |
| Families | $76,617 | $93,031 |
| Households | $63,809 | $79,117 |
| Non Families | $42,253 | $51,701 |
Average Income
Median Household Income
Poverty Rate