Onaga city, Kansas
Official LSAD Designation: Onaga city • Census GEOID: 2052875
• Pottawatomie County
Demographics & Population Profile
Population and demographics for Onaga city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 683 | — | 2025 | Census |
| Median Age | 53.4 yrs | ±9.9 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 294 | ±74 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).