| Index | Grantfork | Illinois | National |
| Median home price | $158,300 | $174,800 | $184,700 |
| Median rent asked | $850 | $925 | $949 |
| Avg. people per household | 2.4 | 2.6 | 2.6 |
| Owner occupied households | 93.0% | 66.0% | 63.6% |
| Renter occupied households | 7.0% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Old Ripley, IL | 79 | $0 | 100% |
| Sorento, IL | 499 | $37,500 | 80% |
| Williamson, IL | 202 | $54,500 | 70% |
| Donnellson, IL | 114 | $62,700 | 66% |
| Panama, IL | 221 | $62,900 | 66% |
| Grantfork, IL | 475 | $158,300 | 14% |
| Population | Home Price | National Avg. | |
| Diagonal, IA | 475 | $74,700 | 60% |
| Dellwood, WI | 475 | $76,900 | 58% |
| Kendall, WI | 475 | $93,900 | 49% |
| Garden Valley, ID | 475 | $280,000 | 52% |
| Kinde, MI | 475 | $68,800 | 63% |
| Grantfork, IL | 475 | $158,300 | 14% |
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