| Index | Forreston | Illinois | National |
| Cost of living | 86 | 98 | 100 |
| Groceries | 98 | 100 | 100 |
| Health care | 98 | 100 | 100 |
| Housing | 60 | 95 | 100 |
| Transportation | 100 | 101 | 100 |
| Utilities | 96 | 99 | 100 |
| Lifestyle & Entertainment | 94 | 100 | 100 |
| Household Items | 97 | 100 | 100 |
| Education & Childcare | 97 | 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 | $87,354 | $7,280 | $2,038 | $2,621 |
| Renters | $85,270 | $7,106 | $1,990 | $2,558 |
| 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. |
| Adeline, IL | 101 | 80 | 20.5% |
| Freeport, IL | 24,837 | 82 | 17.6% |
| Milledgeville, IL | 1,014 | 83 | 17.0% |
| Leaf River, IL | 520 | 84 | 16.0% |
| Lanark, IL | 1,510 | 84 | 15.9% |
| Forreston, IL | 1,437 | 86 | 13.8% |
| City | Population | Cost of Living Index | National Avg. |
| Nanawale Estates, HI | 1,437 | 113 | 13.5% |
| Payne, OH | 1,437 | 83 | 17.1% |
| Big Sandy, TX | 1,437 | 86 | 14.5% |
| Frenchman Butte No. 501, SK | 1,437 | n/a | |
| Thompson-Nicola I (Blue Sky Country), BC | 1,437 | n/a | |
| Forreston, IL | 1,437 | 86 | 13.8% |