| Place Name | Changewater |
| Place Type | Unincorporated |
| ZIP Code(s) | 07831 |
| County | Warren County |
| Area Code(s) | 908 |
| Timezone | Eastern Daylight Time (EDT) |
| Population () | |
| Metro/Micro Stats Area | Allentown-Bethlehem-Easton, PA-NJ |
| US Congressional District(s) | New Jersey 7th |
| State Assembly Districts | 23 |
| State Senate Districts | 23 |