Onamia is a city located in Mille Lacs County, Minnesota. Onamia has a 2025 population of 843 . Onamia is currently growing at a rate of 1.57% annually and its population has increased by 8.35% since the most recent census, which recorded a population of 778 in 2020.
The average household income in Onamia is $45,326 with a poverty rate of 27.89%. The median age in Onamia is 44.8 years: 39.4 years for males, and 55.1 years for females. For every 100 females there are 87.0 males.
Data after 2023 is projected based on recent change
The racial composition of Onamia includes 83.58% White, 4.51% Native American, and smaller percentages for Black or African American, other race and multiracial populations.
White (83.58%)
Two or more races (9.71%)
Native American (4.51%)
Black or African American (1.64%)
Other race (0.55%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 611 | 83.58% |
| Two or more races | 71 | 9.71% |
| Native American | 33 | 4.51% |
| Black or African American | 12 | 1.64% |
| Other race | 4 | 0.55% |
Married
Widowed
Divorced
Separated
Never Married
Onamia's average per capita income is $35,781. Household income levels show a median of $26,827. The poverty rate stands at 27.89%.
Name | Median | Mean |
|---|---|---|
| Married Families | $84,375 | - |
| Families | $50,000 | $65,743 |
| Households | $26,827 | $45,326 |
| Non Families | $20,673 | $31,342 |
Average Income
Median Household Income
Poverty Rate