| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2020) |
|---|
| Allentown | Standard | $127,640 |
| Cranbury | Standard | $128,950 |
| Hightstown | Standard | $82,370 |
| Hopewell | Standard | $146,950 |
| Lambertville | Standard | $120,450 |
| Pennington | Standard | $210,870 |
| Princeton | Standard | $240,610 |
| Princeton | Standard | $145,160 |
| Princeton Junction | Standard | $219,440 |
| Skillman | Standard | $277,490 |
| Titusville | Standard | $145,970 |
| Trenton | Standard | $30,990 |
| Trenton | Standard | $30,990 |
| Trenton | Standard | $51,960 |
| Trenton | Standard | $30,520 |
| Trenton | Standard | $44,420 |
| Trenton | Standard | $74,140 |
| Trenton | Standard | $84,720 |
| Trenton | Standard | $77,720 |
| Trenton | Standard | $37,600 |
| Trenton | Standard | $48,800 |
| Lawrence Township | Standard | $94,990 |
| Trenton | Standard | $88,960 |
| Robbinsville | Standard | $137,530 |
Source: US Internal Revenue Service