| City : | Dekalb City |
| County : | Dekalb County, Indiana County |
| State : | Illinois (IL) |
| | |
| Land Area : | 14.65 sq mi |
| Water Area : | 0.16 sq mi |
| Latitude : | 41.9306139 |
| Longitude : | -88.7478300 |
| | |
| Population (2010): | 43,862 |
| Population Estimate (2012) : | 44,340 |
| Population Density : | 2,993.83/sq mi |
| Housing Units (2012) : | 16,436 |
| Median Household Income (2012) : | $39,412 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $61,806 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $171,200 (Illinois : $190,800, USA : $181,400) |