| Index | Johnsonville | Illinois | National |
| Median home price | $0 | $174,800 | $184,700 |
| Median rent asked | $0 | $925 | $949 |
| Avg. people per household | 2.0 | 2.6 | 2.6 |
| Owner occupied households | 88.5% | 66.0% | 63.6% |
| Renter occupied households | 11.5% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Keenes, IL | 53 | $0 | 100% |
| Sims, IL | 167 | $42,000 | 77% |
| Jeffersonville, IL | 333 | $42,500 | 77% |
| Iuka, IL | 486 | $58,200 | 68% |
| Cisne, IL | 505 | $63,700 | 66% |
| Johnsonville, IL | 50 | $0 | 100% |
| Population | Home Price | National Avg. | |
| Big Spring, MD | 50 | $0 | 100% |
| Lookout, CA | 50 | $0 | 100% |
| Morristown, SD | 50 | $18,500 | 90% |
| Westphalia, IN | 50 | $0 | 100% |
| Nathalie, VA | 50 | $0 | 100% |
| Johnsonville, IL | 50 | $0 | 100% |
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