| Index | Walnut Grove | Washington | National |
| Cost of living | 115 | 119 | 100 |
| Groceries | 110 | 107 | 100 |
| Health care | 108 | 109 | 100 |
| Housing | 125 | 138 | 100 |
| Transportation | 116 | 112 | 100 |
| Utilities | 108 | 110 | 100 |
| Lifestyle & Entertainment | 108 | 112 | 100 |
| Household Items | 105 | 107 | 100 |
| Education & Childcare | 120 | 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 | $96,474 | $8,040 | $2,251 | $2,895 |
| Renters | $79,148 | $6,596 | $1,847 | $2,375 |
| 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. |
| Wood Village, OR | 4,182 | 109 | 8.6% |
| St. Helens, OR | 14,078 | 114 | 14.0% |
| Yacolt, WA | 1,720 | 120 | 20.0% |
| Hazel Dell, WA | 22,532 | 125 | 24.7% |
| Battle Ground, WA | 21,669 | 125 | 25.2% |
| Walnut Grove, WA | 9,546 | 115 | 14.9% |
| City | Population | Cost of Living Index | National Avg. |
| Eagle Point, OR | 9,546 | 117 | 17.5% |
| Bay Minette, AL | 9,545 | 88 | 12.2% |
| Harvard, IL | 9,547 | 94 | 5.8% |
| Sellersburg, IN | 9,547 | 96 | 4.3% |
| Tomah, WI | 9,547 | 92 | 7.5% |
| Walnut Grove, WA | 9,546 | 115 | 14.9% |