| Index | Chelsea | South Dakota | National |
| Cost of living | 77 | 92 | 100 |
| Groceries | 101 | 99 | 100 |
| Health care | 100 | 97 | 100 |
| Housing | 25 | 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 | $197,852 | $16,488 | $4,616 | $5,936 |
| 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. |
| Mansfield, SD | 93 | 75 | 24.9% |
| Cresbard, SD | 116 | 75 | 25.0% |
| Ashton, SD | 94 | 77 | 22.7% |
| Mellette, SD | 195 | 86 | 14.1% |
| Northville, SD | 161 | 88 | 12.4% |
| Chelsea, SD | 55 | 77 | 22.6% |
| City | Population | Cost of Living Index | National Avg. |
| Perryville, AK | 55 | 97 | 2.6% |
| Rampart, AK | 55 | 92 | 8.5% |
| Penton, AL | 55 | 96 | 3.9% |
| Putnam, AL | 55 | 95 | 4.7% |
| LaGrange, AR | 55 | 82 | 18.4% |
| Chelsea, SD | 55 | 77 | 22.6% |