| Index | Goodwin | South Dakota | National |
| Cost of living | 82 | 92 | 100 |
| Groceries | 98 | 99 | 100 |
| Health care | 95 | 97 | 100 |
| Housing | 50 | 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 | $78,709 | $6,559 | $1,836 | $2,362 |
| Renters | $73,378 | $6,115 | $1,712 | $2,202 |
| 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. |
| Revillo, SD | 119 | 96 | 3.5% |
| Waverly, SD | 53 | 96 | 3.5% |
| Altamont, SD | 32 | 96 | 3.5% |
| Albee, SD | 4 | 96 | 3.5% |
| Brandt, SD | 97 | 76 | 24.3% |
| Goodwin, SD | 104 | 82 | 17.6% |
| City | Population | Cost of Living Index | National Avg. |
| Whale Pass, AK | 104 | 114 | 14.2% |
| Phillipsville, CA | 104 | 117 | 17.4% |
| Rutherford, CA | 104 | 146 | 45.6% |
| Maysville, CO | 104 | 171 | 71.2% |
| Center Junction, IA | 104 | 82 | 17.6% |
| Goodwin, SD | 104 | 82 | 17.6% |