| Index | Kapaau | Hawaii | National |
| Cost of living | 137 | 163 | 100 |
| Groceries | 124 | 126 | 100 |
| Health care | 116 | 119 | 100 |
| Housing | 167 | 252 | 100 |
| Transportation | 123 | 121 | 100 |
| Utilities | 131 | 131 | 100 |
| Lifestyle & Entertainment | 127 | 127 | 100 |
| Household Items | 115 | 115 | 100 |
| Education & Childcare | 128 | 132 | 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 | $98,049 | $8,171 | $2,288 | $2,942 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| Hawaii | 4% | 4.712% |
| State | Income Tax (Low) | Income Tax (High) |
| Hawaii | 1.4% | 11% |
| City | Population | Cost of Living Index | National Avg. |
| Halaula, HI | 664 | 139 | 39.2% |
| Waimea CDP (Kauai County), HI | 1,843 | 142 | 42.2% |
| Hawi, HI | 1,364 | 155 | 54.5% |
| Waimea, HI | 11,340 | 155 | 55.2% |
| Kapaau, HI | 1,978 | 137 | 36.5% |
| City | Population | Cost of Living Index | National Avg. |
| Bridgeport, IL | 1,978 | 86 | 13.9% |
| Lake Ripley, WI | 1,978 | 109 | 8.6% |
| Lake Mary Jane, FL | 1,977 | 133 | 32.9% |
| South Rockwood, MI | 1,977 | 97 | 3.0% |
| Jonestown, PA | 1,977 | 100 | 0.4% |
| Kapaau, HI | 1,978 | 137 | 36.5% |