| ZIP Code | ZIP Code City/Town | ZIP Type | Average Adjusted Income(2021) |
|---|
| Burney | Standard | $255,050 |
| Canby | Standard | $141,400 |
| Dorris | Standard | $174,650 |
| Dunsmuir | Standard | $184,190 |
| Etna | Standard | $372,070 |
| Fort Jones | Standard | $387,050 |
| Gazelle | Standard | $225,350 |
| Grenada | Standard | $197,950 |
| Happy Camp | Standard | $169,670 |
| Hornbrook | Standard | $178,100 |
| Klamath River | Standard | $144,000 |
| McCloud | Standard | $346,800 |
| Macdoel | Standard | $101,340 |
| Montague | Standard | $387,400 |
| Mount Shasta | Standard | $453,550 |
| Weed | Standard | $393,230 |
| Yreka | Standard | $393,490 |
| Tulelake | Standard | $496,700 |
Source: US Internal Revenue Service