| Index | Marietta | Illinois | National |
| Median home price | $0 | $174,800 | $184,700 |
| Median rent asked | $0 | $925 | $949 |
| Avg. people per household | 0.9 | 2.6 | 2.6 |
| Owner occupied households | 97.0% | 66.0% | 63.6% |
| Renter occupied households | 3.0% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Bardolph, IL | 277 | $33,300 | 82% |
| Ellisville, IL | 96 | $35,000 | 81% |
| Avon, IL | 690 | $46,300 | 75% |
| Vermont, IL | 738 | $47,800 | 74% |
| London Mills, IL | 326 | $47,900 | 74% |
| Marietta, IL | 61 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Randalia, IA | 61 | $51,000 | 72% |
| Leonard, MO | 61 | $91,700 | 50% |
| Cayuse, OR | 61 | $266,700 | 44% |
| Old Agency, MT | 61 | $0 | 100% |
| Rodriguez Camp, CA | 61 | $0 | 100% |
| Marietta, IL | 61 | $0 | 100% |
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