| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2021) |
|---|
| Chesterfield | Standard | $775,350 |
| Beaufort | Standard | $313,850 |
| Berger | Standard | $161,320 |
| Catawissa | Standard | $331,930 |
| Gerald | Standard | $407,670 |
| Gray Summit | Standard | $181,600 |
| Grubville | Standard | $158,120 |
| Labadie | Standard | $418,450 |
| Leslie | Standard | $330,170 |
| Lonedell | Standard | $563,200 |
| New Haven | Standard | $411,040 |
| Pacific | Standard | $520,100 |
| Robertsville | Standard | $421,530 |
| Saint Clair | Standard | $379,200 |
| Sullivan | Standard | $537,160 |
| Union | Standard | $516,260 |
| Villa Ridge | Standard | $360,830 |
| Washington | Standard | $504,560 |
| Rosebud | Standard | $164,270 |
| Bourbon | Standard | $757,870 |
Source: US Internal Revenue Service