| Zip Code : | 62675 |
| City : | Lake Petersburg, Petersburg city |
| County : | Menard County |
| State : | Illinois (IL) |
| | |
| Land Area : | 109.23 sq mi |
| Water Area : | 0.43 sq mi |
| Latitude : | 40.0360289 |
| Longitude : | -89.8479205 |
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| Population (2010): | 6,154 |
| Population Estimate (2012) : | 6,214 |
| Population Density : | 56.34/sq mi |
| Housing Units (2012) : | 2,785 |
| Median Household Income (2012) : | $58,994 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $79,261 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $130,300 (Illinois : $190,800, USA : $181,400) |