| Index | St. Mary | Missouri | National | 
| Median home price | $77,100 | $141,200 | $184,700 | 
| Median rent asked | $608 | $759 | $949 | 
| Avg. people per household | 2.5 | 2.4 | 2.6 | 
| Owner occupied households | 85.1% | 66.8% | 63.6% | 
| Renter occupied households | 14.9% | 33.2% | 36.4% | 

 
				
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				| Population | Home Price | National Avg. | |
| Lithium, MO | 88 | $0 | 100% | 
| Brewer, MO | 466 | $0 | 100% | 
| Weingarten, MO | 143 | $0 | 100% | 
| Rockwood, IL | 25 | $60,000 | 68% | 
| Ellis Grove, IL | 316 | $65,700 | 64% | 
| St. Mary, MO | 261 | $77,100 | 58% | 
| Population | Home Price | National Avg. | |
| Moro, AR | 261 | $74,300 | 60% | 
| Skyland, NV | 261 | $862,500 | 367% | 
| Charlo, MT | 261 | $137,500 | 26% | 
| Kennedy, NY | 261 | $52,500 | 72% | 
| Cherokee Pass, MO | 261 | $143,800 | 22% | 
| St. Mary, MO | 261 | $77,100 | 58% |