| Index | Andover | Illinois | National |
| Median home price | $111,100 | $174,800 | $184,700 |
| Median rent asked | $766 | $925 | $949 |
| Avg. people per household | 2.6 | 2.6 | 2.6 |
| Owner occupied households | 78.9% | 66.0% | 63.6% |
| Renter occupied households | 21.1% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Oak Grove, IL | 427 | $9,999 | 95% |
| North Henderson, IL | 239 | $66,700 | 64% |
| Galva, IL | 2,539 | $67,900 | 63% |
| Altona, IL | 634 | $69,200 | 63% |
| Bishop Hill, IL | 92 | $82,500 | 55% |
| Andover, IL | 460 | $111,100 | 40% |
| Population | Home Price | National Avg. | |
| East Williston, FL | 460 | $0 | 100% |
| Farmington, WV | 460 | $66,900 | 64% |
| Chalmers, IN | 460 | $93,800 | 49% |
| Ripley, CA | 460 | $179,800 | 3% |
| Belleplain, NJ | 460 | $212,300 | 15% |
| Andover, IL | 460 | $111,100 | 40% |
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