| Index | Vandalia | Illinois | National |
| Median home price | $81,900 | $174,800 | $184,700 |
| Median rent asked | $622 | $925 | $949 |
| Avg. people per household | 2.1 | 2.6 | 2.6 |
| Owner occupied households | 68.1% | 66.0% | 63.6% |
| Renter occupied households | 31.9% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Vernon, IL | 94 | $0 | 100% |
| Bingham, IL | 86 | $0 | 100% |
| Fillmore, IL | 296 | $55,000 | 70% |
| Coffeen, IL | 640 | $55,700 | 70% |
| Ramsey, IL | 871 | $58,100 | 69% |
| Vandalia, IL | 6,615 | $81,900 | 56% |
| Population | Home Price | National Avg. | |
| Southgate, FL | 6,617 | $279,300 | 51% |
| Scenic Oaks, TX | 6,611 | $389,600 | 111% |
| Trinity, NC | 6,619 | $150,200 | 19% |
| Red Chute, LA | 6,619 | $162,900 | 12% |
| Upper Sandusky, OH | 6,609 | $124,000 | 33% |
| Vandalia, IL | 6,615 | $81,900 | 56% |
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