Ontonagon County's estimated 2026 population is 5,780 with a growth rate of -0.74% in the past year according to the most recent United States census data. Ontonagon County is the 82nd largest county in Michigan. The 2010 population was 6,776 and has seen a growth of -14.7% since that time.
Data after 2023 is projected based on recent change
Overall: 59.8 years
Female: 60 years
Male: 59.4 years
There are 5,181 adults, (2,236 of whom are seniors) in Ontonagon County.
Female: 2,834 (48.4%)
Male: 3,016 (51.6%)
The racial composition of Ontonagon County includes 92.56% White, and smaller percentages for other race, Black or African American, Native American, Asian and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 5,415 | 92.56% |
| Two or more races | 315 | 5.38% |
| Other race | 37 | 0.63% |
| Black or African American | 31 | 0.53% |
| Native American | 28 | 0.48% |
| Asian | 24 | 0.41% |
Ontonagon County's average per capita income is $36,637. Household income levels show a median of $54,398. The poverty rate stands at 12.52%.
Name | Median | Mean |
|---|---|---|
| Married Families | $73,487 | - |
| Families | $71,342 | $78,366 |
| Households | $54,398 | $67,617 |
| Non Families | $33,418 | $43,920 |
Average Income
Median Household Income
Poverty Rate