Onamia is located in Mille Lacs County, Minnesota. Onamia has a 2025 population of 608 . Onamia is currently growing at a rate of 0.83% annually and its population has increased by 5.19% since the most recent census, which recorded a population of 578 in 2020.
The average household income in Onamia is $77,599 with a poverty rate of 15.12%. The median age in Onamia is 40 years: 43.7 years for males, and 36.9 years for females. For every 100 females there are 100.0 males.
Data after 2023 is projected based on recent change
The racial composition of Onamia includes 90.97% White, 4.15% Native American, 3.43% Asian, and smaller percentages for Two or more races, other race and multiracial populations.
White (90.97%)
Native American (4.15%)
Asian (3.43%)
Two or more races (0.9%)
Other race (0.54%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 504 | 90.97% |
| Native American | 23 | 4.15% |
| Asian | 19 | 3.43% |
| Two or more races | 5 | 0.9% |
| Other race | 3 | 0.54% |
Married
Widowed
Divorced
Separated
Never Married
Onamia's average per capita income is $33,250. Household income levels show a median of $61,458. The poverty rate stands at 15.12%.
Name | Median | Mean |
|---|---|---|
| Married Families | $80,000 | - |
| Families | $62,115 | $78,260 |
| Households | $61,458 | $77,599 |
| Non Families | $51,667 | $56,998 |
Average Income
Median Household Income
Poverty Rate