O'Neill is a city located in Holt County, Nebraska. O'Neill has a 2026 population of 3,581. It is also the county seat of Holt County. O'Neill is currently growing at a rate of 0.06% annually and its population has increased by 0.28% since the most recent census, which recorded a population of 3,571 in 2020.
The median household income in O'Neill is $56,510 with a poverty rate of 18.5%. The median age in O'Neill is 41.9 years: 43.4 years for males, and 41.5 years for females. For every 100 females there are 76.2 males.
Data after 2023 is projected based on recent change
Overall: 41.9 years
Female: 41.5 years
Male: 43.4 years
There are 2,679 adults, (800 of whom are seniors) in O'Neill.
Female: 2,026 (56.8%)
Male: 1,544 (43.2%)
The racial composition of O'Neill includes 86.25% White, 5.43% other race, and smaller percentages for Black or African American, Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 3,079 | 86.25% |
| Two or more races | 248 | 6.95% |
| Other race | 194 | 5.43% |
| Black or African American | 40 | 1.12% |
| Asian | 9 | 0.25% |
O'Neill 's average per capita income is $42,202. Household income levels show a median of $56,510. The poverty rate stands at 18.5%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $85,417 | - |
| Families | $72,679 | $86,224 |
| Households | $56,510 | $76,870 |
| Non Families | $31,875 | $55,201 |
Average Income
Median Household Income
Poverty Rate