| Index | St. Joseph | Illinois | National |
| Median home price | $194,800 | $174,800 | $184,700 |
| Median rent asked | $665 | $925 | $949 |
| Avg. people per household | 2.4 | 2.6 | 2.6 |
| Owner occupied households | 87.4% | 66.0% | 63.6% |
| Renter occupied households | 12.6% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Sidell, IL | 492 | $58,500 | 68% |
| Potomac, IL | 744 | $73,900 | 60% |
| Fairmount, IL | 540 | $77,000 | 58% |
| Penfield, IL | 235 | $87,500 | 53% |
| Rantoul, IL | 12,946 | $88,200 | 52% |
| St. Joseph, IL | 4,053 | $194,800 | 5% |
| Population | Home Price | National Avg. | |
| St. James, MO | 4,053 | $89,200 | 52% |
| Cannon Falls, MN | 4,053 | $195,000 | 6% |
| Singac, NJ | 4,054 | $283,900 | 54% |
| Garden Ridge, TX | 4,054 | $478,600 | 159% |
| Mount Olive, AL | 4,052 | $159,700 | 14% |
| St. Joseph, IL | 4,053 | $194,800 | 5% |
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