| Place Name | Harlan Township (Smith County) |
| Place Type | Township |
| ZIP Code(s) | 67474 67638 |
| County | Smith County |
| Area Code(s) | 785 |
| Timezone | Central Standard Time (CST) |
| Population () | |
| US Congressional District(s) | Kansas 1st |
| State House Districts | 109 |
| State Senate Districts | 36 |