| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2020) |
|---|
| Chesterfield | Standard | $273,030 |
| Beaufort | Standard | $62,930 |
| Berger | Standard | $52,530 |
| Catawissa | Standard | $56,380 |
| Gerald | Standard | $48,920 |
| Gray Summit | Standard | $51,120 |
| Grubville | Standard | $58,690 |
| Labadie | Standard | $83,760 |
| Leslie | Standard | $60,970 |
| Lonedell | Standard | $53,800 |
| New Haven | Standard | $66,440 |
| Pacific | Standard | $78,860 |
| Robertsville | Standard | $55,850 |
| Saint Clair | Standard | $47,610 |
| Sullivan | Standard | $59,870 |
| Union | Standard | $53,790 |
| Villa Ridge | Standard | $60,870 |
| Washington | Standard | $74,840 |
| Rosebud | Standard | $53,220 |
| Bourbon | Standard | $49,300 |
Source: US Internal Revenue Service