| Index | Grand Detour | Illinois | National |
| Median home price | $222,600 | $174,800 | $184,700 |
| Median rent asked | $0 | $925 | $949 |
| Avg. people per household | 2.3 | 2.6 | 2.6 |
| Owner occupied households | 93.4% | 66.0% | 63.6% |
| Renter occupied households | 6.6% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Rock Falls, IL | 8,914 | $71,600 | 61% |
| Nelson, IL | 132 | $75,000 | 59% |
| Harmon, IL | 146 | $82,500 | 55% |
| Amboy, IL | 2,453 | $84,600 | 54% |
| Franklin Grove, IL | 948 | $86,900 | 53% |
| Grand Detour, IL | 351 | $222,600 | 21% |
| Population | Home Price | National Avg. | |
| Bethania, NC | 351 | $257,700 | 40% |
| Martin, KY | 351 | $83,000 | 55% |
| Woodson, TX | 351 | $80,000 | 57% |
| Lockwood, CA | 351 | $300,000 | 62% |
| Hewlett Bay Park, NY | 351 | $2,000,001 | 983% |
| Grand Detour, IL | 351 | $222,600 | 21% |
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