| Index | Duvall | Washington | National |
| Cost of living | 165 | 119 | 100 |
| Groceries | 109 | 107 | 100 |
| Health care | 112 | 109 | 100 |
| Housing | 284 | 138 | 100 |
| Transportation | 117 | 112 | 100 |
| Utilities | 114 | 110 | 100 |
| Lifestyle & Entertainment | 123 | 112 | 100 |
| Household Items | 108 | 107 | 100 |
| Education & Childcare | 123 | 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 | $246,841 | $20,570 | $5,759 | $7,406 |
| Renters | $169,023 | $14,085 | $3,944 | $5,071 |
| 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. |
| May Creek, WA | 786 | 108 | 7.7% |
| Gold Bar, WA | 2,068 | 114 | 14.4% |
| Startup, WA | 786 | 116 | 16.4% |
| Sultan, WA | 5,505 | 122 | 21.8% |
| North Sultan, WA | 271 | 131 | 30.9% |
| Duvall, WA | 8,210 | 165 | 65.4% |
| City | Population | Cost of Living Index | National Avg. |
| Selah, WA | 8,210 | 116 | 16.4% |
| Drummond/North Elmsley, ON | 8,210 | n/a | |
| Shorewood, MN | 8,212 | 146 | 46.5% |
| West Dundee, IL | 8,213 | 116 | 15.7% |
| Bennettsville, SC | 8,213 | 85 | 14.8% |
| Duvall, WA | 8,210 | 165 | 65.4% |