| Index | Allendale | Illinois | National |
| Median home price | $66,000 | $174,800 | $184,700 |
| Median rent asked | $533 | $925 | $949 |
| Avg. people per household | 2.7 | 2.6 | 2.6 |
| Owner occupied households | 81.5% | 66.0% | 63.6% |
| Renter occupied households | 18.5% | 34.0% | 36.4% |
| City, State | Population | Home Price | National Avg. |
| Decker, IN | 246 | $30,000 | 84% |
| Sumner, IL | 5,094 | $44,700 | 76% |
| St. Francisville, IL | 483 | $46,900 | 75% |
| Hazleton, IN | 277 | $47,600 | 74% |
| Browns, IL | 112 | $51,700 | 72% |
| Allendale, IL | 666 | $66,000 | 64% |
| City, State | Population | Home Price | National Avg. |
| Gould, AR | 666 | $57,700 | 69% |
| Oakman, AL | 666 | $62,400 | 66% |
| San Jose, NM | 666 | $152,500 | 17% |
| Fremont, WI | 666 | $134,700 | 27% |
| Bettsville, OH | 666 | $75,200 | 59% |
| Allendale, IL | 666 | $66,000 | 64% |