| Place Name | Union Township (Monroe County) |
| Place Type | Township |
| ZIP Code(s) | 65240 65258 65263 65270 65275 |
| County | Monroe County |
| Area Code(s) | 660,573 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 532 |
| Majority Ethnicity | White 96.06% |
| US Congressional District(s) | Missouri 6th |
| State House Districts | 40 |
| State Senate Districts | 10 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 96.06% |
| African American | 2.56% |
| Hispanic | 0% |
| Asian | 0.2% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.18% |