| Index | St. Peter | Illinois | National |
| Median home price | $122,146 | $308,565 | $326,622 |
| Median rent asked | $651 | $1,374 | $1,444 |
| Avg. people per household | 3.3 | 2.6 | 2.6 |
| Owner occupied households | 92.1% | 66.0% | 63.6% |
| Renter occupied households | 7.9% | 34.0% | 36.4% |

| Population | Home Price | National Avg. | |
| Vernon, IL | 97 | $0 | 100% |
| Alma, IL | 307 | $78,384 | 76% |
| Patoka, IL | 599 | $106,307 | 67% |
| Edgewood, IL | 479 | $107,492 | 67% |
| Kinmundy, IL | 942 | $108,601 | 67% |
| St. Peter, IL | 456 | $122,146 | 63% |
| Population | Home Price | National Avg. | |
| Prairie du Rocher, IL | 456 | $141,665 | 57% |
| Cannondale, CT | 456 | $0 | 100% |
| La Hacienda, NM | 456 | $73,752 | 77% |
| Remington, OH | 456 | $628,860 | 93% |
| Fort Thomas, AZ | 456 | $255,419 | 22% |
| St. Peter, IL | 456 | $122,146 | 63% |