| Index | Lerna | Illinois | National |
| Median home price | $124,301 | $308,565 | $326,622 |
| Median rent asked | $932 | $1,374 | $1,444 |
| Avg. people per household | 2.3 | 2.6 | 2.6 |
| Owner occupied households | 74.5% | 66.0% | 63.6% |
| Renter occupied households | 25.5% | 34.0% | 36.4% |

| Population | Home Price | National Avg. | |
| Jewett, IL | 291 | $97,195 | 70% |
| Humboldt, IL | 457 | $124,290 | 62% |
| Ashmore, IL | 1,054 | $135,034 | 59% |
| Toledo, IL | 1,204 | $143,155 | 56% |
| Gays, IL | 216 | $143,469 | 56% |
| Lerna, IL | 258 | $124,301 | 62% |
| Population | Home Price | National Avg. | |
| Halbur, IA | 258 | $181,654 | 44% |
| Nett Lake, MN | 258 | $92,066 | 72% |
| Jefferson borough (Greene County), PA | 258 | $155,767 | 52% |
| Westside, IA | 258 | $170,942 | 48% |
| Reliance, WY | 258 | $0 | 100% |
| Lerna, IL | 258 | $124,301 | 62% |