| Place Name | Black Oak Township (Crittenden County) |
| Place Type | Township |
| ZIP Code(s) | 72331 72384 72386 |
| County | Crittenden County |
| Area Code(s) | 327,870 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 432 |
| Majority Ethnicity | White 97.94% |
| Metro/Micro Stats Area | Memphis, TN-MS-AR |
| US Congressional District(s) | Arkansas 1st |
| State House Districts | 50 |
| State Senate Districts | 24 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 97.94% |
| African American | 2.06% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |