| Index | St. Augustine | Illinois | National |
| Median home price | $99,407 | $308,565 | $326,622 |
| Median rent asked | $0 | $1,374 | $1,444 |
| Avg. people per household | 1.8 | 2.6 | 2.6 |
| Owner occupied households | 88.1% | 66.0% | 63.6% |
| Renter occupied households | 11.9% | 34.0% | 36.4% |

| Population | Home Price | National Avg. | |
| Ellisville, IL | 100 | $64,041 | 80% |
| Avon, IL | 711 | $85,305 | 74% |
| London Mills, IL | 334 | $85,590 | 74% |
| Maquon, IL | 189 | $116,626 | 64% |
| Gilson, IL | 201 | $117,909 | 64% |
| St. Augustine, IL | 138 | $99,407 | 70% |
| Population | Home Price | National Avg. | |
| Naponee, NE | 138 | $75,714 | 77% |
| Grand Falls Plaza, MO | 138 | $220,080 | 33% |
| Brandonville, WV | 138 | $247,704 | 24% |
| Mead Ranch, AZ | 138 | $0 | 100% |
| Grandin, ND | 138 | $221,140 | 32% |
| St. Augustine, IL | 138 | $99,407 | 70% |