| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2020) |
|---|
| Barrington | Standard | $249,890 |
| Algonquin | Standard | $87,220 |
| Carpentersville | Standard | $51,810 |
| Dundee | Standard | $88,980 |
| Elburn | Standard | $103,020 |
| Elgin | Standard | $48,580 |
| Elgin | Standard | $51,250 |
| Elgin | Standard | $109,420 |
| Geneva | Standard | $143,000 |
| Gilberts | Standard | $89,970 |
| Hampshire | Standard | $83,570 |
| Huntley | Standard | $83,950 |
| Maple Park | Standard | $80,350 |
| Saint Charles | Standard | $110,030 |
| Saint Charles | Standard | $169,610 |
| South Elgin | Standard | $78,180 |
| Sycamore | Standard | $75,590 |
| Wayne | Standard | $269,530 |
| Aurora | Standard | $118,930 |
| Aurora | Standard | $70,840 |
| Aurora | Standard | $37,120 |
| Aurora | Standard | $53,060 |
| Batavia | Standard | $112,890 |
| Big Rock | Standard | $102,600 |
| Hinckley | Standard | $69,640 |
| Montgomery | Standard | $59,820 |
| North Aurora | Standard | $79,940 |
| Sugar Grove | Standard | $109,550 |
Source: US Internal Revenue Service