| Place Name | Walnut Township (Barton County) |
| Place Type | Township |
| ZIP Code(s) | 67511 67564 |
| County | Barton County |
| Area Code(s) | 620,785 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 301 |
| Majority Ethnicity | White 97.34% |
| Metro/Micro Stats Area | Great Bend, KS |
| US Congressional District(s) | Kansas 1st |
| State House Districts | 109 |
| State Senate Districts | 33 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.34% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.66% |