| Place Name | Walker |
| Place Type | City |
| ZIP Code(s) | 64790 |
| County | Vernon County |
| Area Code(s) | 417 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 365 |
| Population Growth Rate (2010-19) | -26.30% |
| Majority Ethnicity | White 96.21% |
| US Congressional District(s) | Missouri 4th |
| State House Districts | 126 |
| State Senate Districts | 31 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.21% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.79% |