| Place Name | Polk Township (Sullivan County) |
| Place Type | Township |
| ZIP Code(s) | 63556 |
| County | Sullivan County |
| Area Code(s) | 660 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 2,931 |
| Majority Ethnicity | White 65.86% |
| US Congressional District(s) | Missouri 6th |
| State House Districts | 3 |
| State Senate Districts | 12 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 65.86% |
| African American | 3.81% |
| Hispanic | 0.38% |
| Asian | 1.07% |
| Native American | 0.81% |
| Hawaiin/Pacific Islander | 28.07% |