| Index | Harrisburg | South Dakota | National |
| Cost of living | 101 | 92 | 100 |
| Groceries | 98 | 99 | 100 |
| Health care | 95 | 97 | 100 |
| Housing | 112 | 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 | $136,786 | $11,399 | $3,191 | $4,104 |
| Renters | $48,882 | $4,074 | $1,141 | $1,467 |
| 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. |
| Davis, SD | 97 | 80 | 20.0% |
| Fairview, SD | 144 | 83 | 16.8% |
| Chancellor, SD | 303 | 86 | 13.7% |
| Inwood, IA | 1,021 | 88 | 11.8% |
| Lennox, SD | 2,519 | 90 | 9.8% |
| Harrisburg, SD | 6,669 | 101 | 1.1% |
| City | Population | Cost of Living Index | National Avg. |
| Lovejoy, GA | 6,669 | 98 | 2.2% |
| Sullivan, MO | 6,672 | 87 | 13.5% |
| Sidney, NE | 6,673 | 89 | 11.0% |
| Crockett, TX | 6,663 | 86 | 14.4% |
| Indian River Estates, FL | 6,675 | 106 | 6.3% |
| Harrisburg, SD | 6,669 | 101 | 1.1% |