| Place Name | Oark |
| Place Type | Census Designated Place |
| ZIP Code(s) | 72852 |
| County | Johnson County |
| Area Code(s) | 479 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 0 |
| US Congressional District(s) | Arkansas 4th |
| State House Districts | 69 |
| State Senate Districts | 6 |