| City : | Auburn City |
| County : | Sangamon County |
| State : | Illinois (IL) |
| Land Area : | 4.08 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 39.5757485 |
| Longitude : | -89.7426815 |
| Population (2010): | 4,771 |
| Population Estimate (2012) : | 4,952 |
| Population Density : | 1,170.77/sq mi |
| Housing Units (2012) : | 1,868 |
| Median Household Income (2012) : | $60,090 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $72,606 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $99,100 (Illinois : $190,800, USA : $181,400) |