| Index | Summit | South Dakota | National |
| Cost of living | 83 | 92 | 100 |
| Groceries | 101 | 99 | 100 |
| Health care | 100 | 97 | 100 |
| Housing | 44 | 77 | 100 |
| Transportation | 95 | 96 | 100 |
| Utilities | 104 | 103 | 100 |
| Lifestyle & Entertainment | 101 | 94 | 100 |
| Household Items | 97 | 96 | 100 |
| Education & Childcare | 100 | 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 | $109,250 | $9,104 | $2,549 | $3,278 |
| Renters | $35,265 | $2,939 | $823 | $1,058 |
| 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. |
| Ortley, SD | 60 | 76 | 24.0% |
| Corona, SD | 46 | 79 | 21.0% |
| Marvin, SD | 19 | 79 | 20.5% |
| Twin Brooks, SD | 46 | 80 | 19.9% |
| South Shore, SD | 266 | 80 | 19.8% |
| Summit, SD | 353 | 83 | 17.0% |
| City | Population | Cost of Living Index | National Avg. |
| St. Michael, AK | 353 | 94 | 5.8% |
| Vineland, CO | 353 | 107 | 6.7% |
| Ryan, IA | 353 | 86 | 14.0% |
| Broadlands, IL | 353 | 89 | 11.4% |
| Buffalo, KS | 353 | 75 | 24.6% |
| Summit, SD | 353 | 83 | 17.0% |