| Index | Webster | South Dakota | National |
| Cost of living | 85 | 92 | 100 |
| Groceries | 101 | 99 | 100 |
| Health care | 100 | 97 | 100 |
| Housing | 52 | 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 | $86,315 | $7,193 | $2,014 | $2,590 |
| Renters | $32,620 | $2,718 | $761 | $979 |
| 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. |
| Butler, SD | 13 | 100 | 0.3% |
| Lily, SD | 3 | 100 | 0.3% |
| Grenville, SD | 72 | 100 | 0.3% |
| Roslyn, SD | 229 | 82 | 18.1% |
| Bristol, SD | 289 | 82 | 18.0% |
| Webster, SD | 1,728 | 85 | 14.7% |
| City | Population | Cost of Living Index | National Avg. |
| Grant Park, IL | 1,728 | 98 | 2.3% |
| North Pekin, IL | 1,728 | 90 | 10.4% |
| Pinebluff, NC | 1,728 | 97 | 3.1% |
| Sandy Valley, NV | 1,728 | 104 | 3.8% |
| Chatham, NY | 1,728 | 113 | 12.7% |
| Webster, SD | 1,728 | 85 | 14.7% |