| Index | Oakville | Washington | National |
| Cost of living | 106 | 119 | 100 |
| Groceries | 104 | 107 | 100 |
| Health care | 111 | 109 | 100 |
| Housing | 96 | 138 | 100 |
| Transportation | 112 | 112 | 100 |
| Utilities | 110 | 110 | 100 |
| Lifestyle & Entertainment | 112 | 112 | 100 |
| Household Items | 105 | 107 | 100 |
| Education & Childcare | 121 | 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 | $77,001 | $6,417 | $1,797 | $2,310 |
| Renters | $51,553 | $4,296 | $1,203 | $1,547 |
| 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. |
| Centralia, WA | 18,008 | 105 | 4.8% |
| Elma, WA | 3,420 | 106 | 5.7% |
| Chehalis, WA | 7,810 | 109 | 9.0% |
| Fords Prairie, WA | 2,667 | 115 | 14.6% |
| Brady, WA | 829 | 115 | 14.6% |
| Oakville, WA | 667 | 106 | 5.9% |
| City | Population | Cost of Living Index | National Avg. |
| Somerville, AL | 667 | 82 | 18.4% |
| Dillonvale village, OH | 667 | 80 | 20.2% |
| Malta, OH | 667 | 79 | 20.6% |
| Port Matilda, PA | 667 | 91 | 9.2% |
| Saxton, PA | 667 | 85 | 14.7% |
| Oakville, WA | 667 | 106 | 5.9% |