| Index | Plankinton | South Dakota | National |
| Cost of living | 83 | 92 | 100 |
| Groceries | 98 | 99 | 100 |
| Health care | 95 | 97 | 100 |
| Housing | 53 | 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 | $111,806 | $9,317 | $2,609 | $3,355 |
| Renters | $55,245 | $4,604 | $1,289 | $1,658 |
| 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. |
| Storla, SD | 22 | 96 | 3.5% |
| Aurora Center, SD | 48 | 69 | 30.8% |
| White Lake, SD | 446 | 78 | 22.0% |
| Stickney, SD | 275 | 82 | 18.2% |
| Mount Vernon, SD | 514 | 84 | 15.9% |
| Plankinton, SD | 730 | 83 | 16.6% |
| City | Population | Cost of Living Index | National Avg. |
| Hartford, IA | 730 | 88 | 11.6% |
| Howe, IN | 730 | 89 | 10.6% |
| Wilroads Gardens, KS | 730 | 86 | 14.0% |
| Hardwood Acres, MI | 730 | 100 | 0.2% |
| Bakersville, NC | 730 | 105 | 5.3% |
| Plankinton, SD | 730 | 83 | 16.6% |