| Index | Groton | South Dakota | National |
| Cost of living | 94 | 92 | 100 |
| Groceries | 101 | 99 | 100 |
| Health care | 100 | 97 | 100 |
| Housing | 79 | 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 | $125,079 | $10,423 | $2,918 | $3,753 |
| Renters | $69,859 | $5,822 | $1,630 | $2,096 |
| 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. |
| Verdon, SD | 3 | 100 | 0.3% |
| Bath Corner, SD | 17 | 100 | 0.3% |
| Ferney, SD | 39 | 100 | 0.3% |
| Stratford, SD | 43 | 78 | 21.8% |
| Andover, SD | 81 | 78 | 21.8% |
| Groton, SD | 1,915 | 94 | 6.5% |
| City | Population | Cost of Living Index | National Avg. |
| Holley, NY | 1,915 | 95 | 4.9% |
| St. Johnsville, NY | 1,915 | 92 | 8.0% |
| Lake City, TN | 1,915 | 79 | 21.3% |
| Ixonia, WI | 1,915 | 107 | 7.5% |
| Reform, AL | 1,914 | 82 | 18.2% |
| Groton, SD | 1,915 | 94 | 6.5% |