| Index | Roy | Washington | National |
| Cost of living | 116 | 119 | 100 |
| Groceries | 103 | 107 | 100 |
| Health care | 110 | 109 | 100 |
| Housing | 137 | 138 | 100 |
| Transportation | 108 | 112 | 100 |
| Utilities | 107 | 110 | 100 |
| Lifestyle & Entertainment | 111 | 112 | 100 |
| Household Items | 106 | 107 | 100 |
| Education & Childcare | 110 | 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 | $94,616 | $7,885 | $2,208 | $2,839 |
| Renters | $95,947 | $7,996 | $2,239 | $2,879 |
| 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% |
| La Grande, WA | 92 | 108 | 8.0% |
| North Yelm, WA | 3,847 | 106 | 6.3% |
| Tenino, WA | 1,807 | 109 | 8.6% |
| North Puyallup, WA | 2,029 | 111 | 11.1% |
| Roy, WA | 834 | 116 | 16.2% |
| City | Population | Cost of Living Index | National Avg. |
| Wittmann, AZ | 834 | 124 | 23.5% |
| Tranquillity, CA | 834 | 118 | 17.6% |
| Patterson, GA | 834 | 88 | 12.1% |
| Honalo, HI | 834 | 165 | 64.9% |
| Ashkum, IL | 834 | 93 | 7.5% |
| Roy, WA | 834 | 116 | 16.2% |