| Place Name | Southwest Marion Township |
| Place Type | Township |
| ZIP Code(s) | 65601 65613 |
| County | Polk County |
| Area Code(s) | 417 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 4,090 |
| Majority Ethnicity | White 88.78% |
| Metro/Micro Stats Area | Springfield, MO |
| US Congressional District(s) | Missouri 7th |
| State House Districts | 128 |
| State Senate Districts | 28 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 88.78% |
| African American | 3.99% |
| Hispanic | 1.08% |
| Asian | 0.36% |
| Native American | 0.1% |
| Hawaiin/Pacific Islander | 5.69% |