| Index | Mound City | South Dakota | National |
| Cost of living | 98 | 92 | 100 |
| Groceries | 98 | 99 | 100 |
| Health care | 99 | 97 | 100 |
| Housing | n/a | 77 | 100 |
| Transportation | 94 | 96 | 100 |
| Utilities | 103 | 103 | 100 |
| Lifestyle & Entertainment | 95 | 94 | 100 |
| Household Items | 99 | 96 | 100 |
| Education & Childcare | 96 | 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 | $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. |
| Artas, SD | 35 | 72 | 27.5% |
| Pollock, SD | 233 | 75 | 24.7% |
| Glenham, SD | 120 | 80 | 19.7% |
| Herreid, SD | 466 | 82 | 17.6% |
| Mound City, SD | 76 | 98 | 2.5% |
| City | Population | Cost of Living Index | National Avg. |
| False Pass, AK | 76 | 136 | 36.0% |
| Spruce Pine, AL | 76 | 95 | 4.6% |
| McCaskill, AR | 76 | 81 | 19.0% |
| Omaha, AR | 76 | 81 | 18.8% |
| Woodruff, AZ | 76 | 102 | 2.4% |
| Mound City, SD | 76 | 98 | 2.5% |