| Place Name | Defiance |
| Place Type | City |
| ZIP Code(s) | 43512 |
| County | Defiance County |
| Area Code(s) | 419,567 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 16,733 |
| Population Growth Rate (2010-19) | 3.47% |
| Majority Ethnicity | White 82.16% |
| Metro/Micro Stats Area | Defiance, OH |
| US Congressional District(s) | Ohio 5th |
| State House Districts | 82 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 82.16% |
| African American | 3.42% |
| Hispanic | 0.33% |
| Asian | 0.33% |
| Native American | 0.03% |
| Hawaiin/Pacific Islander | 13.72% |