| Index | Langley | Washington | National |
| Cost of living | 146 | 119 | 100 |
| Groceries | 104 | 107 | 100 |
| Health care | 107 | 109 | 100 |
| Housing | 230 | 138 | 100 |
| Transportation | 113 | 112 | 100 |
| Utilities | 107 | 110 | 100 |
| Lifestyle & Entertainment | 107 | 112 | 100 |
| Household Items | 108 | 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 | $139,207 | $11,601 | $3,248 | $4,177 |
| Renters | $40,181 | $3,348 | $937 | $1,206 |
| 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. |
| Silvana, WA | 14 | 109 | 9.1% |
| Hat Island, WA | 62 | 109 | 9.1% |
| Port Gamble Tribal Community, WA | 802 | 99 | 0.8% |
| North Marysville, WA | 143 | 123 | 23.2% |
| Coupeville, WA | 1,911 | 126 | 25.9% |
| Langley, WA | 1,236 | 146 | 45.5% |
| City | Population | Cost of Living Index | National Avg. |
| Valmeyer, IL | 1,236 | 96 | 4.0% |
| East Sumter, SC | 1,236 | 84 | 16.3% |
| Timpson, TX | 1,236 | 81 | 18.8% |
| Princeton, WI | 1,236 | 85 | 15.1% |
| West Blocton, AL | 1,235 | 84 | 15.6% |
| Langley, WA | 1,236 | 146 | 45.5% |