| Place Name | Sergeantsville |
| Place Type | Unincorporated |
| ZIP Code(s) | 08559 |
| County | Hunterdon County |
| Area Code(s) | 609,640 / |
| Timezone | Eastern Standard Time (EST) |
| Population () | |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New Jersey 7th |
| State Assembly Districts | 15 |
| State Senate Districts | 15 |