| Place Name | Walnut Township (Fairfield County) |
| Place Type | Township |
| ZIP Code(s) | 43046 43076 43105 43148 43157 |
| County | Fairfield County |
| Area Code(s) | 220,740 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 6,713 |
| Majority Ethnicity | White 98.45% |
| Metro/Micro Stats Area | Columbus, OH |
| US Congressional District(s) | Ohio 15th |
| State House Districts | 77 |
| State Senate Districts | 20 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.45% |
| African American | 0.15% |
| Hispanic | 0% |
| Asian | 0.32% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.08% |