| Index | Adair | Illinois | National |
| Median home price | $137,737 | $308,565 | $326,622 |
| Median rent asked | $0 | $1,374 | $1,444 |
| Avg. people per household | 2.0 | 2.6 | 2.6 |
| Owner occupied households | 73.3% | 66.0% | 63.6% |
| Renter occupied households | 26.7% | 34.0% | 36.4% |

| Population | Home Price | National Avg. | |
| Marietta, IL | 63 | $0 | 100% |
| Bardolph, IL | 286 | $60,666 | 81% |
| Ellisville, IL | 100 | $64,041 | 80% |
| Vermont, IL | 767 | $85,353 | 74% |
| Astoria, IL | 1,199 | $90,369 | 72% |
| Adair, IL | 184 | $137,737 | 58% |
| Population | Home Price | National Avg. | |
| Wind Ridge, PA | 184 | $191,394 | 41% |
| Elmo, MO | 184 | $89,603 | 73% |
| Ravenden Springs, AR | 184 | $143,839 | 56% |
| Chula, MO | 184 | $114,661 | 65% |
| Sparta, OH | 184 | $135,905 | 58% |
| Adair, IL | 184 | $137,737 | 58% |