| Index | Milbank | South Dakota | National |
| Cost of living | 91 | 92 | 100 |
| Groceries | 102 | 99 | 100 |
| Health care | 98 | 97 | 100 |
| Housing | 67 | 77 | 100 |
| Transportation | 101 | 96 | 100 |
| Utilities | 103 | 103 | 100 |
| Lifestyle & Entertainment | 100 | 94 | 100 |
| Household Items | 102 | 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 | $106,289 | $8,857 | $2,480 | $3,189 |
| Renters | $34,787 | $2,899 | $812 | $1,044 |
| 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. |
| Albee, SD | 4 | 96 | 3.5% |
| Revillo, SD | 119 | 96 | 3.5% |
| Marietta, MN | 170 | 73 | 26.7% |
| Nassau, MN | 69 | 75 | 24.8% |
| La Bolt, SD | 103 | 76 | 24.0% |
| Milbank, SD | 3,218 | 91 | 9.4% |
| City | Population | Cost of Living Index | National Avg. |
| Pine City, MN | 3,218 | 92 | 7.5% |
| San Antonio Heights, CA | 3,217 | 191 | 90.8% |
| Salmon, ID | 3,217 | 91 | 8.6% |
| Mamou, LA | 3,217 | 80 | 20.1% |
| Checotah, OK | 3,219 | 82 | 17.6% |
| Milbank, SD | 3,218 | 91 | 9.4% |