| Index | Potomac | Illinois | National |
| Cost of living | 84 | 98 | 100 |
| Groceries | 98 | 100 | 100 |
| Health care | 98 | 100 | 100 |
| Housing | 48 | 95 | 100 |
| Transportation | 99 | 101 | 100 |
| Utilities | 97 | 99 | 100 |
| Lifestyle & Entertainment | 103 | 100 | 100 |
| Household Items | 102 | 100 | 100 |
| Education & Childcare | 100 | 100 | 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 | $85,925 | $7,160 | $2,005 | $2,578 |
| Renters | $54,899 | $4,575 | $1,281 | $1,647 |
| State | General Sales Tax | With Max Surtax |
| Illinois | 6.25% | 10.25% |
| State | Income Tax (Low) | Income Tax (High) |
| Illinois | 4.95% | 4.95% |
| City | Population | Cost of Living Index | National Avg. |
| Ambia, IN | 230 | 77 | 23.5% |
| Rankin, IL | 535 | 82 | 18.4% |
| Alvan, IL | 315 | 82 | 18.1% |
| Hoopeston, IL | 5,383 | 82 | 17.8% |
| Henning, IL | 266 | 83 | 17.2% |
| Potomac, IL | 769 | 84 | 16.0% |
| City | Population | Cost of Living Index | National Avg. |
| Twin Valley, MN | 769 | 87 | 12.8% |
| Ulm, MT | 769 | 114 | 14.4% |
| Old Fort, NC | 769 | 87 | 13.0% |
| Sycamore, OH | 769 | 83 | 17.1% |
| Tipton, OK | 769 | 78 | 22.3% |
| Potomac, IL | 769 | 84 | 16.0% |