| City : | Sycamore City |
| County : | Dekalb County |
| State : | Illinois (IL) |
| Land Area : | 9.73 sq mi |
| Water Area : | 0.04 sq mi |
| Latitude : | 41.9966996 |
| Longitude : | -88.6775259 |
| Population (2010): | 17,519 |
| Population Estimate (2012) : | 17,505 |
| Population Density : | 1,800.46/sq mi |
| Housing Units (2012) : | 7,394 |
| Median Household Income (2012) : | $61,320 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $80,385 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $175,500 (Illinois : $190,800, USA : $181,400) |