| Place Name | South Weymouth |
| Place Type | Unincorporated |
| ZIP Code(s) | 02190 |
| County | Norfolk County |
| Area Code(s) | 339,781 |
| Timezone | Eastern Standard Time (EST) |
| Population () | |
| Metro/Micro Stats Area | Boston-Cambridge-Newton, MA-NH |
| US Congressional District(s) | Massachusetts 8th |
| State House Districts | 4th Norfolk |
| State Senate Districts | Second Suffolk |