| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2021) |
|---|
| Antioch | Standard | $370,270 |
| Barrington | Standard | $888,470 |
| Cary | Standard | $405,320 |
| Deerfield | Standard | $909,040 |
| Fox Lake | Standard | $371,400 |
| Fox River Grove | Standard | $364,170 |
| Grayslake | Standard | $382,400 |
| Gurnee | Standard | $378,350 |
| Highland Park | Standard | $1,399,530 |
| Highwood | Standard | $547,440 |
| Ingleside | Standard | $351,450 |
| Island Lake | Standard | $424,770 |
| Lake Bluff | Standard | $845,650 |
| Lake Forest | Standard | $2,205,220 |
| Lake Villa | Standard | $346,890 |
| Lake Zurich | Standard | $648,490 |
| Libertyville | Standard | $625,130 |
| Mchenry | Standard | $415,650 |
| Mundelein | Standard | $481,580 |
| Vernon Hills | Standard | $446,960 |
| North Chicago | Standard | $688,800 |
| Lincolnshire | Standard | $701,570 |
| Round Lake | Standard | $299,950 |
| Palatine | Standard | $367,260 |
| Spring Grove | Standard | $416,800 |
| Wadsworth | Standard | $622,420 |
| Wauconda | Standard | $441,400 |
| Waukegan | Standard | $342,770 |
| Waukegan | Standard | $309,200 |
| Great Lakes Naval Station | Standard | $157,940 |
| Buffalo Grove | Standard | $390,740 |
| Winthrop Harbor | Standard | $321,020 |
| Zion | Standard | $292,660 |
Source: US Internal Revenue Service