| Index | Lerna | Illinois | National |
| Median home price | $66,400 | $174,800 | $184,700 |
| Median rent asked | $575 | $925 | $949 |
| Avg. people per household | 2.5 | 2.6 | 2.6 |
| Owner occupied households | 75.8% | 66.0% | 63.6% |
| Renter occupied households | 24.2% | 34.0% | 36.4% |
| City, State | Population | Home Price | National Avg. |
| Gays, IL | 293 | $63,200 | 66% |
| Toledo, IL | 1,372 | $66,300 | 64% |
| Greenup, IL | 1,738 | $70,400 | 62% |
| Jewett, IL | 226 | $70,600 | 62% |
| Humboldt, IL | 483 | $71,300 | 61% |
| Lerna, IL | 272 | $66,400 | 64% |
| City, State | Population | Home Price | National Avg. |
| Reading, KS | 272 | $68,900 | 63% |
| St. Libory, NE | 272 | $105,200 | 43% |
| Woody Creek, CO | 272 | $1,380,000 | 647% |
| Vaughnsville, OH | 272 | $78,300 | 58% |
| Taylor, MS | 272 | $178,100 | 4% |
| Lerna, IL | 272 | $66,400 | 64% |