| Zip Code : | 49270 |
| City : | Petersburg city |
| County : | Monroe County |
| State : | Michigan (MI) |
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| Land Area : | 44.81 sq mi |
| Water Area : | 0.41 sq mi |
| Latitude : | 41.8736754 |
| Longitude : | -83.6807832 |
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| Population (2010): | 5,874 |
| Population Estimate (2012) : | 5,872 |
| Population Density : | 131.08/sq mi |
| Housing Units (2012) : | 2,266 |
| Median Household Income (2012) : | $61,548 (Michigan : $48,471, USA : $53,046) |
| Median Family Income (2012) : | $69,491 (Michigan : $60,749, USA : $64,585) |
| Median House Price (2012) : | $168,900 (Michigan : $128,600, USA : $181,400) |