| Index | Northville | South Dakota | National |
| Cost of living | 88 | 92 | 100 |
| Groceries | 101 | 99 | 100 |
| Health care | 100 | 97 | 100 |
| Housing | 59 | 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 | $149,287 | $12,441 | $3,483 | $4,479 |
| 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. |
| Brentford, SD | 63 | 100 | 0.3% |
| Mansfield, SD | 93 | 75 | 24.9% |
| Chelsea, SD | 55 | 77 | 22.6% |
| Stratford, SD | 43 | 78 | 21.8% |
| Ashton, SD | 94 | 77 | 22.7% |
| Northville, SD | 161 | 88 | 12.4% |
| City | Population | Cost of Living Index | National Avg. |
| Kirkwood, CA | 161 | 133 | 33.3% |
| Richvale, CA | 161 | 118 | 18.1% |
| Aucilla, FL | 161 | 105 | 5.2% |
| Meansville, GA | 161 | 90 | 10.5% |
| Mount Auburn, IA | 161 | 81 | 19.2% |
| Northville, SD | 161 | 88 | 12.4% |