| Zip Code : | 62712 |
| City : | Rochester village, Springfield city |
| County : | Sangamon County |
| State : | Illinois (IL) |
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| Land Area : | 21.25 sq mi |
| Water Area : | 4.89 sq mi |
| Latitude : | 39.7538136 |
| Longitude : | -89.5797008 |
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| Population (2010): | 10,302 |
| Population Estimate (2012) : | 9,804 |
| Population Density : | 484.83/sq mi |
| Housing Units (2012) : | 4,357 |
| Median Household Income (2012) : | $88,478 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $102,555 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $192,800 (Illinois : $190,800, USA : $181,400) |