| Place Name | Harrison Township (Union County) |
| Place Type | Township |
| ZIP Code(s) | 71647 71651 71730 71747 71765 |
| County | Union County |
| Area Code(s) | 327,870 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 264 |
| Majority Ethnicity | African American 56.82% |
| Metro/Micro Stats Area | El Dorado, AR |
| US Congressional District(s) | Arkansas 4th |
| State House Districts | 7 |
| State Senate Districts | 27 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 43.18% |
| African American | 56.82% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |