| Index | Lower Brule | South Dakota | National |
| Cost of living | 75 | 92 | 100 |
| Groceries | 98 | 99 | 100 |
| Health care | 95 | 97 | 100 |
| Housing | 26 | 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 | $0 | $0 | $0 | $0 |
| Renters | $35,017 | $2,918 | $817 | $1,051 |
| 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. |
| Reliance, SD | 113 | 78 | 22.1% |
| Fort Thompson, SD | 1,300 | 81 | 19.3% |
| Kennebec, SD | 357 | 88 | 11.5% |
| Lower Brule, SD | 1,002 | 75 | 24.7% |
| City | Population | Cost of Living Index | National Avg. |
| Selma, IN | 1,002 | 82 | 18.3% |
| Spearville, KS | 1,002 | 87 | 13.1% |
| Lake Shore, MN | 1,002 | 129 | 29.5% |
| Dortches, NC | 1,002 | 96 | 4.2% |
| Amenia, NY | 1,002 | 117 | 17.0% |
| Lower Brule, SD | 1,002 | 75 | 24.7% |