| 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. | |
| Atkinson, NC | 351 | $91,500 | 50% |
| St. Michael, PA | 351 | $0 | 100% |
| Granton, WI | 351 | $88,300 | 52% |
| Vinegar Bend, AL | 351 | $71,800 | 61% |
| Grand View, ID | 351 | $98,800 | 47% |
| Grand Detour, IL | 351 | $222,600 | 21% |
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