| Place Name | Union Township (Van Buren County) |
| Place Type | Township |
| ZIP Code(s) | 72031 72088 72153 |
| County | Van Buren County |
| Area Code(s) | 501 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 1,729 |
| Majority Ethnicity | White 97.74% |
| US Congressional District(s) | Arkansas 2nd |
| State House Districts | 68 |
| State Senate Districts | 16 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.74% |
| African American | 1.43% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.83% |