| Place Name | Ontario |
| Place Type | City |
| ZIP Code(s) | 44903 44906 |
| County | Richland County |
| Area Code(s) | 419,567 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 6,154 |
| Population Growth Rate (2010-19) | 6.92% |
| Majority Ethnicity | White 94.8% |
| Metro/Micro Stats Area | Mansfield, OH |
| US Congressional District(s) | Ohio 7th |
| State House Districts | 2 |
| State Senate Districts | 22 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.8% |
| African American | 0.89% |
| Hispanic | 0% |
| Asian | 3.15% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.16% |