| Place Name | Union Township (Appanoose County) |
| Place Type | Township |
| ZIP Code(s) | 52571 52594 |
| County | Appanoose County |
| Area Code(s) | 641 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 140 |
| Majority Ethnicity | White 99.29% |
| US Congressional District(s) | Iowa 2nd |
| State House Districts | 80,82 |
| State Senate Districts | 40,41 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.29% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0.71% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |