| Index | Harrington | Washington | National |
| Cost of living | 96 | 119 | 100 |
| Groceries | 107 | 107 | 100 |
| Health care | 113 | 109 | 100 |
| Housing | 60 | 138 | 100 |
| Transportation | 116 | 112 | 100 |
| Utilities | 110 | 110 | 100 |
| Lifestyle & Entertainment | 113 | 112 | 100 |
| Household Items | 105 | 107 | 100 |
| Education & Childcare | 117 | 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 | $49,930 | $4,161 | $1,165 | $1,498 |
| Renters | $45,865 | $3,822 | $1,070 | $1,376 |
| 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. |
| Sprague, WA | 524 | 96 | 4.3% |
| Davenport, WA | 1,907 | 104 | 4.3% |
| Harrington, WA | 390 | 96 | 4.0% |
| City | Population | Cost of Living Index | National Avg. |
| Nances Creek, AL | 390 | 95 | 4.7% |
| Turin, GA | 390 | 114 | 14.0% |
| Fort Atkinson, IA | 390 | 87 | 13.3% |
| Lee, IL | 390 | 92 | 7.6% |
| Hall Summit, LA | 390 | 81 | 19.2% |
| Harrington, WA | 390 | 96 | 4.0% |