| Name | Ontonagon County |
| State | Michigan |
| FIPS Code | 26131 |
| County Seat | Ontonagon |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2024) | 5,857 |
| Population Growth Rate(2020-2024) | 0.77% |
| Majority Ethnicity | White 96.38% |
| Public School Majority Ethnicity | White 94% |
| Partisan Voting Index | Republican:+15 |
| Unemployment Rate (May 2026) | 7.1% |
| Area Code(s) | 906 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 96.38% |
| African American | 0.86% |
| Hispanic | 1.76% |
| Asian | 0.51% |
| Native American | 0.49% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 93.57% |
| African American | 0.21% |
| Hispanic | 1.87% |
| Asian | 0% |
| Native American | 1.87% |
| Hawaiin/Pacific Islander | 0% |