| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2020) |
|---|
| Washington | Standard | $116,480 |
| Washington | Standard | $96,670 |
| Washington | Standard | $130,860 |
| Washington | Standard | $173,090 |
| Washington | Standard | $137,730 |
| Washington | Standard | $191,310 |
| Washington | Standard | $281,350 |
| Washington | Standard | $207,780 |
| Washington | Standard | $116,830 |
| Washington | Standard | $82,090 |
| Washington | Standard | $73,650 |
| Washington | Standard | $103,870 |
| Washington | Standard | $280,450 |
| Washington | Standard | $363,740 |
| Washington | Standard | $80,210 |
| Washington | Standard | $76,180 |
| Washington | Standard | $43,660 |
| Washington | Standard | $46,270 |
| Washington | Standard | $92,430 |
| Washington | Standard | $40,990 |
| Washington | Standard | $143,910 |
| Washington | Standard | $169,510 |
Source: US Internal Revenue Service