| Index | DuPont | Washington | National |
| Cost of living | 133 | 119 | 100 |
| Groceries | 109 | 107 | 100 |
| Health care | 108 | 109 | 100 |
| Housing | 187 | 138 | 100 |
| Transportation | 110 | 112 | 100 |
| Utilities | 113 | 110 | 100 |
| Lifestyle & Entertainment | 113 | 112 | 100 |
| Household Items | 107 | 107 | 100 |
| Education & Childcare | 114 | 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 | $153,563 | $12,797 | $3,583 | $4,607 |
| Renters | $133,582 | $11,132 | $3,117 | $4,008 |
| 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. |
| Ketron Island, WA | 0 | 110 | 10.2% |
| North Yelm, WA | 3,847 | 106 | 6.3% |
| Nisqually Indian Community, WA | 603 | 112 | 12.1% |
| Longbranch, WA | 4,700 | 114 | 14.3% |
| Midland, WA | 9,862 | 116 | 15.7% |
| DuPont, WA | 9,807 | 133 | 33.4% |
| City | Population | Cost of Living Index | National Avg. |
| Mount Airy, MD | 9,806 | 135 | 35.2% |
| Lowell, AR | 9,809 | 94 | 5.8% |
| Conning Towers Nautilus Park, CT | 9,809 | 117 | 16.7% |
| Pine Ridge, FL | 9,810 | 109 | 8.8% |
| Picnic Point, WA | 9,803 | 155 | 54.5% |
| DuPont, WA | 9,807 | 133 | 33.4% |