| Place Name | Union Township (Polk County) |
| Place Type | Township |
| ZIP Code(s) | 65601 65613 65649 |
| County | Polk County |
| Area Code(s) | 417 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 341 |
| Majority Ethnicity | White 80.18% |
| 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 | 80.18% |
| African American | 0% |
| Hispanic | 0.59% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 19.23% |