| Index | Langley | Washington | National |
| Cost of living | 148 | 118 | 100 |
| Goods & Services | 119 | 111 | 100 |
| Groceries | 112 | 110 | 100 |
| Health care | 118 | 120 | 100 |
| Housing | 225 | 135 | 100 |
| Transportation | 122 | 123 | 100 |
| Utilities | 95 | 92 | 100 |


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| Cost of living index | |
| Goods & Services index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $95,147 | $7,929 | $2,220 | $2,855 |
| Renters | $26,563 | $2,214 | $620 | $797 |
| State | General Sales Tax | With Max Surtax |
| Washington | 6.5% | 10.4% |
| State | Income Tax (Low) | Income Tax (High) |
| Washington | 0% | 0% |
| Item | Langley | National avg. | Difference |
| Haircut | $31.33 | $24.26 | 29.1% |
| Beauty Salon | $49.67 | $45.56 | 9.0% |
| Toothpaste | $3.89 | $3.70 | 5.1% |
| Shampoo | $1.21 | $1.28 | 5.8% |
| Movie | $12.43 | $12.13 | 2.4% |
| Bowling | $18.08 | $18.00 | 0.5% |
| Item | Langley | National avg. | Difference |
| Ground Beef | $6.18 | $5.84 | 5.9% |
| Fried Chicken | $2.23 | $1.57 | 42.0% |
| Milk | $4.87 | $4.67 | 4.2% |
| Potatoes | $4.43 | $4.93 | 10.2% |
| Pizza | $13.35 | $12.09 | 10.4% |
| Beer | $11.13 | $10.41 | 6.9% |
| Item | Langley | National avg. | Difference |
| Optometrist | $132.73 | $125.68 | 5.6% |
| Doctor | $183.40 | $135.78 | 35.1% |
| Dentist | $146.29 | $113.29 | 29.1% |
| Ibuprofen | $11.37 | $10.65 | 6.7% |
| Lipitor | $508.19 | $468.60 | 8.4% |
| Item | Langley | National avg. | Difference |
| Home Price | $514,500.00 | $184,700.00 | 178.6% |
| Avg. Mortgage Payment | $3,228.87 | $2,346.69 | 37.6% |
| Apartment Rent | $964.00 | $949.00 | 1.6% |
| Item | Langley | National avg. | Difference |
| Gasoline | $4.14 | $3.46 | 19.7% |
| Tire Balancing | $65.57 | $59.92 | 9.4% |
| Item | Langley | National avg. | Difference |
| All Electricity | $163.64 | $193.99 | 15.6% |
| Phone | $200.10 | $192.25 | 4.1% |
| City | Population | Cost of Living Index | National Avg. |
| Hat Island, WA | 61 | 114 | 14.5% |
| Silvana, WA | 14 | 110 | 10.5% |
| Port Gamble Tribal Community, WA | 783 | 106 | 6.3% |
| North Marysville, WA | 138 | 127 | 26.8% |
| Coupeville, WA | 1,850 | 128 | 27.8% |
| Langley, WA | 1,201 | 148 | 47.8% |
| City | Population | Cost of Living Index | National Avg. |
| Five Points, NC | 1,201 | 105 | 4.9% |
| Waukomis, OK | 1,201 | 85 | 15.0% |
| Bradford, TN | 1,201 | 78 | 21.8% |
| Tolar, TX | 1,201 | 103 | 3.4% |
| Pembroke, VA | 1,201 | 86 | 13.8% |
| Langley, WA | 1,201 | 148 | 47.8% |