| Name | Marinette County |
| State | Wisconsin |
| FIPS Code | 55075 |
| County Seat | Marinette |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 41,704 |
| Population Growth Rate(2000-2022) | 0.29% |
| Majority Ethnicity | White 98.8% |
| Public School Majority Ethnicity | White 89% |
| Partisan Voting Index | Republican:+16 |
| Unemployment Rate (December 2024) | 3.3% |
| Area Code(s) | 535 / 715 / 274 / 920 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 98.8% |
| African American | 0.47% |
| Hispanic | 0.37% |
| Asian | 0.36% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 88.9% |
| African American | 1.32% |
| Hispanic | 5.01% |
| Asian | 0.35% |
| Native American | 0.67% |
| Hawaiin/Pacific Islander | 0.05% |