| Index | Naples | South Dakota | National |
| Cost of living | 96 | 92 | 100 |
| Groceries | 98 | 99 | 100 |
| Health care | 95 | 97 | 100 |
| Housing | n/a | 77 | 100 |
| Transportation | 93 | 96 | 100 |
| Utilities | 104 | 103 | 100 |
| Lifestyle & Entertainment | 93 | 94 | 100 |
| Household Items | 95 | 96 | 100 |
| Education & Childcare | 98 | 98 | 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 | $182,728 | $15,227 | $4,263 | $5,482 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| South Dakota | 4.5% | 6% |
| State | Income Tax (Low) | Income Tax (High) |
| South Dakota | 0% | 0% |
| City | Population | Cost of Living Index | National Avg. |
| Garden City, SD | 97 | 72 | 28.1% |
| Clark, SD | 1,272 | 82 | 17.7% |
| Henry, SD | 306 | 83 | 17.3% |
| Willow Lake, SD | 454 | 83 | 16.8% |
| Bryant, SD | 762 | 84 | 15.8% |
| Naples, SD | 45 | 96 | 3.5% |
| City | Population | Cost of Living Index | National Avg. |
| Iliamna, AK | 45 | 139 | 38.7% |
| Oak Springs, AZ | 45 | 71 | 29.0% |
| Crestone, CO | 45 | 99 | 1.3% |
| Lynn, CO | 45 | 107 | 6.7% |
| Bay Lake, FL | 45 | 89 | 11.5% |
| Naples, SD | 45 | 96 | 3.5% |