| Place Name | Walnut Township (Montgomery County) |
| Place Type | Township |
| ZIP Code(s) | 47933 47954 47968 |
| County | Montgomery County |
| Area Code(s) | 765 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 1,425 |
| Majority Ethnicity | White 98.82% |
| Metro/Micro Stats Area | Crawfordsville, IN |
| US Congressional District(s) | Indiana 4th |
| State House Districts | 41 |
| State Senate Districts | 23 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.82% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.18% |