| Index | Johnsonville | Illinois | National |
| Median home price | $31,900 | $174,800 | $184,700 |
| Median rent asked | n/a | $925 | $949 |
| Avg. people per household | 2.6 | 2.6 | 2.6 |
| Owner occupied households | 73.1% | 66.0% | 63.6% |
| Renter occupied households | 26.9% | 34.0% | 36.4% |
| City, State | Population | Home Price | National Avg. |
| Jeffersonville, IL | 511 | $34,000 | 82% |
| Iuka, IL | 490 | $50,000 | 73% |
| Sims, IL | 276 | $51,700 | 72% |
| Clay City, IL | 824 | $52,500 | 72% |
| Cisne, IL | 611 | $53,500 | 71% |
| Johnsonville, IL | 58 | $31,900 | 83% |
| City, State | Population | Home Price | National Avg. |
| South Gifford, MO | 58 | $19,200 | 90% |
| Hungerford, TX | 58 | $0 | 100% |
| Carrier, OK | 58 | $93,000 | 50% |
| Winnetoon, NE | 58 | $33,100 | 82% |
| Garciasville, TX | 58 | $0 | 100% |
| Johnsonville, IL | 58 | $31,900 | 83% |