| Index | Petersburg | Illinois | National |
| Median home price | $121,900 | $174,800 | $184,700 |
| Median rent asked | $669 | $925 | $949 |
| Avg. people per household | 2.2 | 2.6 | 2.6 |
| Owner occupied households | 62.4% | 66.0% | 63.6% |
| Renter occupied households | 37.6% | 34.0% | 36.4% |
| Population | Home Price | National Avg. | |
| Kilbourne, IL | 350 | $60,000 | 68% |
| Middletown, IL | 212 | $60,600 | 67% |
| Grandview, IL | 1,389 | $65,100 | 65% |
| Greenview, IL | 920 | $69,000 | 63% |
| Clear Lake, IL | 386 | $70,800 | 62% |
| Petersburg, IL | 2,564 | $121,900 | 34% |
| Population | Home Price | National Avg. | |
| Premont, TX | 2,564 | $70,800 | 62% |
| Fobes Hill, WA | 2,564 | $542,100 | 194% |
| Alden, NY | 2,565 | $149,700 | 19% |
| Pembroke, GA | 2,565 | $143,300 | 22% |
| Cape Neddick, ME | 2,563 | $459,500 | 149% |
| Petersburg, IL | 2,564 | $121,900 | 34% |
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