| Index | Gillespie | Illinois | National |
| Cost of living | 84 | 98 | 100 |
| Groceries | 99 | 100 | 100 |
| Health care | 93 | 100 | 100 |
| Housing | 55 | 95 | 100 |
| Transportation | 97 | 101 | 100 |
| Utilities | 96 | 99 | 100 |
| Lifestyle & Entertainment | 94 | 100 | 100 |
| Household Items | 97 | 100 | 100 |
| Education & Childcare | 96 | 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 | $77,559 | $6,463 | $1,810 | $2,327 |
| Renters | $49,748 | $4,146 | $1,161 | $1,493 |
| 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. |
| Walshville, IL | 247 | 99 | 0.7% |
| Eagarville, IL | 174 | 79 | 21.2% |
| Royal Lakes, IL | 292 | 78 | 22.2% |
| Sorento, IL | 515 | 80 | 20.0% |
| Chesterfield, IL | 213 | 79 | 21.1% |
| Gillespie, IL | 3,043 | 84 | 16.1% |
| City | Population | Cost of Living Index | National Avg. |
| Bonny Doon, CA | 3,042 | 198 | 98.3% |
| Watkinsville, GA | 3,042 | 109 | 9.3% |
| Smithsburg, MD | 3,042 | 110 | 10.4% |
| Greensboro, AL | 3,044 | 83 | 17.2% |
| Cumberland Center, ME | 3,044 | 125 | 25.2% |
| Gillespie, IL | 3,043 | 84 | 16.1% |