| Index | Cathlamet | Washington | National |
| Cost of living | 108 | 119 | 100 |
| Groceries | 105 | 107 | 100 |
| Health care | 110 | 109 | 100 |
| Housing | 105 | 138 | 100 |
| Transportation | 112 | 112 | 100 |
| Utilities | 111 | 110 | 100 |
| Lifestyle & Entertainment | 109 | 112 | 100 |
| Household Items | 104 | 107 | 100 |
| Education & Childcare | 112 | 117 | 100 |

| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $83,341 | $6,945 | $1,944 | $2,500 |
| Renters | $45,651 | $3,804 | $1,065 | $1,370 |
| State | General Sales Tax | With Max Surtax |
| Washington | 6.5% | 10.4% |
| State | Income Tax (Low) | Income Tax (High) |
| Washington | 0% | 0% |
| City | Population | Cost of Living Index | National Avg. |
| Skamokawa Valley, WA | 277 | 109 | 8.7% |
| Westport, OR | 342 | 109 | 8.7% |
| Clatskanie, OR | 2,249 | 103 | 2.5% |
| East Cathlamet, WA | 528 | 106 | 6.1% |
| Grays River, WA | 321 | 108 | 7.8% |
| Cathlamet, WA | 620 | 108 | 7.6% |
| City | Population | Cost of Living Index | National Avg. |
| Thornton, AR | 620 | 82 | 17.6% |
| Allensworth, CA | 620 | 103 | 2.5% |
| Baker, CA | 620 | 88 | 11.9% |
| Collins, GA | 620 | 86 | 13.6% |
| Hoyt, KS | 620 | 88 | 12.1% |
| Cathlamet, WA | 620 | 108 | 7.6% |