O'Brien township is located in Beltrami County, Minnesota. O'Brien township has a 2026 population of 42. O'Brien township is currently declining at a rate of -2.33% annually and its population has decreased by -8.7% since the most recent census, which recorded a population of 46 in 2020.
The median household income in O'Brien township is $107,500 with a poverty rate of 6.98%. The median age in O'Brien township is 40.5 years: 40.8 years for males, and 32.6 years for females. For every 100 females there are 186.7 males.
Data after 2023 is projected based on recent change
Overall: 40.5 years
Female: 32.6 years
Male: 40.8 years
There are 34 adults, (11 of whom are seniors) in O'Brien township.
Female: 15 (34.9%)
Male: 28 (65.1%)
The racial composition of O'Brien township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 43 | 100% |
O'Brien township 's average per capita income is $111,250. Household income levels show a median of $107,500. The poverty rate stands at 6.98%.
| Name | Median ↓ | Mean |
|---|---|---|
| Non Families | $120,208 | $82,709 |
| Households | $107,500 | $104,846 |
| Families | - | $123,577 |
| Married Families | - | - |
Average Income
Median Household Income
Poverty Rate