| Index | St. Charles | South Dakota | National |
| Median home price | $0 | $146,700 | $184,700 |
| Median rent asked | $0 | $676 | $949 |
| Avg. people per household | 0.8 | 2.4 | 2.6 |
| Owner occupied households | 100.0% | 67.8% | 63.6% |
| Renter occupied households | 0.0% | 32.2% | 36.4% |
| Population | Home Price | National Avg. | |
| Anoka, NE | 35 | $0 | 100% |
| Herrick, SD | 66 | $0 | 100% |
| Naper, NE | 83 | $18,300 | 90% |
| Fairfax, SD | 138 | $47,000 | 75% |
| Butte, NE | 348 | $52,400 | 72% |
| St. Charles, SD | 8 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Mojave Ranch Estates, AZ | 8 | $0 | 100% |
| Hachita, NM | 8 | $0 | 100% |
| Charco, AZ | 8 | $0 | 100% |
| Hannah, ND | 8 | $0 | 100% |
| Falman, TX | 8 | $0 | 100% |
| St. Charles, SD | 8 | $0 | 100% |
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