| Place Name | Union Township (Cass County) |
| Place Type | Township |
| ZIP Code(s) | 64012 64078 64734 |
| County | Cass County |
| Area Code(s) | 816,975 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 2,589 |
| Majority Ethnicity | White 93.86% |
| Metro/Micro Stats Area | Kansas City, MO-KS |
| US Congressional District(s) | Missouri 4th |
| State House Districts | 56 |
| State Senate Districts | 31 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.86% |
| African American | 0% |
| Hispanic | 0.61% |
| Asian | 0% |
| Native American | 0.11% |
| Hawaiin/Pacific Islander | 5.42% |