| Index | Letcher | South Dakota | National |
| Cost of living | 88 | 92 | 100 |
| Groceries | 98 | 99 | 100 |
| Health care | 95 | 97 | 100 |
| Housing | 69 | 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 | $83,014 | $6,918 | $1,937 | $2,491 |
| Renters | $62,723 | $5,227 | $1,463 | $1,882 |
| 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. |
| Loomis, SD | 0 | 96 | 3.5% |
| Forestburg, SD | 81 | 96 | 3.5% |
| Storla, SD | 22 | 96 | 3.5% |
| Lane, SD | 32 | 70 | 29.5% |
| Artesian, SD | 189 | 79 | 21.0% |
| Letcher, SD | 195 | 88 | 11.7% |
| City | Population | Cost of Living Index | National Avg. |
| Halibut Cove, AK | 195 | 139 | 39.2% |
| Lutak, AK | 195 | 114 | 14.2% |
| Huetter, ID | 195 | 103 | 3.3% |
| Plattville, IL | 195 | 110 | 9.6% |
| Corunna, IN | 195 | 84 | 16.1% |
| Letcher, SD | 195 | 88 | 11.7% |