| Place Name | Union Township (Saint Joseph County) |
| Place Type | Township |
| ZIP Code(s) | 46506 46536 46614 |
| County | Saint Joseph County |
| Area Code(s) | 574 |
| Timezone | Eastern Standard Time (EST) |
| Population (2021) | 3,505 |
| Majority Ethnicity | White 92.85% |
| Metro/Micro Stats Area | South Bend-Mishawaka, IN-MI |
| US Congressional District(s) | Indiana 2nd |
| State House Districts | 7 |
| State Senate Districts | 9 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 92.85% |
| African American | 0.36% |
| Hispanic | 0.06% |
| Asian | 1.48% |
| Native American | 0.68% |
| Hawaiin/Pacific Islander | 4.57% |