| Index | Lake Petersburg | Illinois | National |
| Median home price | $223,000 | $174,800 | $184,700 |
| Median rent asked | $0 | $925 | $949 |
| Avg. people per household | 1.7 | 2.6 | 2.6 |
| Owner occupied households | 93.3% | 66.0% | 63.6% |
| Renter occupied households | 6.7% | 34.0% | 36.4% |
| Index | Lake Petersburg | Illinois | National |
| Zillow home value index | n/a | $168,800 | $196,500 |
| Year over year appreciation rate | n/a | 5.76% | 6.79% |
| 5 year average appreciation rate | n/a | 3.66% | 5.28% |
| 10 year average appreciation rate | n/a | -1.85% | 0.01% |
| City, State | Population | Home Price | National Avg. |
| Kilbourne, IL | 310 | $55,000 | 70% |
| Middletown, IL | 323 | $59,300 | 68% |
| New Holland, IL | 187 | $71,700 | 61% |
| Grandview, IL | 1,388 | $72,800 | 61% |
| Oakford, IL | 298 | $75,300 | 59% |
| Lake Petersburg, IL | 649 | $223,000 | 21% |
| City, State | Population | Home Price | National Avg. |
| Edgartown, MA | 649 | $789,500 | 327% |
| Simla, CO | 649 | $113,400 | 39% |
| North Troy, VT | 649 | $105,400 | 43% |
| Belle Fontaine, AL | 649 | $132,700 | 28% |
| Riverview, VA | 649 | $107,400 | 42% |
| Lake Petersburg, IL | 649 | $223,000 | 21% |