| Place Name | Union Township (Story County) |
| Place Type | Township |
| ZIP Code(s) | 50010 50046 50124 50161 |
| County | Story County |
| Area Code(s) | 515 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 1,507 |
| Majority Ethnicity | White 98.33% |
| Metro/Micro Stats Area | Ames, IA |
| US Congressional District(s) | Iowa 4th |
| State House Districts | 49 |
| State Senate Districts | 25 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.33% |
| African American | 0.53% |
| Hispanic | 0.07% |
| Asian | 0.13% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.93% |