| Index | Jefferson | South Dakota | National |
| Cost of living | 88 | 92 | 100 |
| Groceries | 96 | 99 | 100 |
| Health care | 98 | 97 | 100 |
| Housing | 69 | 77 | 100 |
| Transportation | 98 | 96 | 100 |
| Utilities | 91 | 103 | 100 |
| Lifestyle & Entertainment | 92 | 94 | 100 |
| Household Items | 96 | 96 | 100 |
| Education & Childcare | 96 | 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 | $92,090 | $7,674 | $2,149 | $2,763 |
| Renters | $25,122 | $2,094 | $586 | $754 |
| 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. |
| Richland, SD | 160 | 96 | 4.3% |
| Martinsburg, NE | 71 | 81 | 19.2% |
| Allen, NE | 414 | 81 | 18.8% |
| Westfield, IA | 122 | 82 | 17.9% |
| Ponca, NE | 978 | 84 | 16.5% |
| Jefferson, SD | 692 | 88 | 12.4% |
| City | Population | Cost of Living Index | National Avg. |
| Lenox, GA | 692 | 83 | 17.4% |
| Rose City, MI | 692 | 79 | 20.9% |
| Brandon, MN | 692 | 90 | 9.5% |
| Clear Lake, MN | 692 | 100 | 0.2% |
| Bevier, MO | 692 | 81 | 18.9% |
| Jefferson, SD | 692 | 88 | 12.4% |