O'Neill city, Nebraska
Official LSAD Designation: O'Neill city • Census GEOID: 3137105
• Holt County
Demographics & Population Profile
Population and demographics for O'Neill city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 3,567 | — | 2025 | Census |
| Median Age | 41.9 yrs | ±2.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,545 | ±104 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).