| Zip Code : | 62704 |
| City : | Jerome village, Leland Grove city, Springfield city |
| County : | Sangamon County |
| State : | Illinois (IL) |
| | |
| Land Area : | 12.09 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 39.7734983 |
| Longitude : | -89.6838400 |
| | |
| Population (2010): | 39,831 |
| Population Estimate (2012) : | 39,925 |
| Population Density : | 3,295.33/sq mi |
| Housing Units (2012) : | 20,721 |
| Median Household Income (2012) : | $52,292 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $72,100 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $127,100 (Illinois : $190,800, USA : $181,400) |