| Place Name | Richland Township (Little River County) |
| Place Type | Township |
| ZIP Code(s) | 71836 75559 75570 |
| County | Little River County |
| Area Code(s) | 327,870 |
| Timezone | Central Standard Time (CST) |
| Population () | |
| Metro/Micro Stats Area | Texarkana, TX-AR |
| US Congressional District(s) | Arkansas 4th |
| State House Districts | 4 |
| State Senate Districts | 11 |