| Place Name | De Graff |
| Place Type | Village |
| ZIP Code(s) | 43318 |
| County | Logan County |
| Area Code(s) | 326,937 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 1,298 |
| Population Growth Rate (2010-19) | -2.72% |
| Majority Ethnicity | White 98.71% |
| Metro/Micro Stats Area | Bellefontaine, OH |
| US Congressional District(s) | Ohio 4th |
| State House Districts | 85 |
| State Senate Districts | 12 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.71% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0.4% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.89% |