| Place Name | Thompsonville |
| Place Type | Unincorporated |
| ZIP Code(s) | 12701 |
| County | Sullivan County |
| Area Code(s) | 845 |
| Timezone | Eastern Standard Time (EST) |
| Population () | |
| US Congressional District(s) | New York 19th |
| State Assembly Districts | 100 |
| State Senate Districts | 51 |