Ontario city, Ohio
Official LSAD Designation: Ontario city • Census GEOID: 3958520
• Richland County
Demographics & Population Profile
Population and demographics for Ontario city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 6,692 | — | 2025 | Census |
| Median Age | 39.9 yrs | ±6.1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 2,732 | ±270 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).