| Name | Defiance County |
| State | Ohio |
| FIPS Code | 39039 |
| County Seat | Defiance |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 38,975 |
| Population Growth Rate(2000-2022) | -1.92% |
| Majority Ethnicity | White 97.41% |
| Public School Majority Ethnicity | White 78% |
| Partisan Voting Index | Republican:+16 |
| Unemployment Rate (January 2025) | 4.2% |
| Area Code(s) | 419 / 567 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 97.41% |
| African American | 1.91% |
| Hispanic | 0.29% |
| Asian | 0.37% |
| Native American | 0.02% |
| Hawaiin/Pacific Islander | 0.02% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 77.92% |
| African American | 2.05% |
| Hispanic | 16.53% |
| Asian | 0.36% |
| Native American | 0.02% |
| Hawaiin/Pacific Islander | 0.05% |