| Place Name | Union Township (Jefferson County) |
| Place Type | Township |
| ZIP Code(s) | 66054 66066 66086 66097 |
| County | Jefferson County |
| Area Code(s) | 913,785 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 1,922 |
| Majority Ethnicity | White 93.93% |
| Metro/Micro Stats Area | Topeka, KS |
| US Congressional District(s) | Kansas 2nd |
| State House Districts | 47 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.93% |
| African American | 0% |
| Hispanic | 1.45% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.62% |