| Zip Code : | 50436 |
| City : | Crystal Lake city, Forest city |
| County : | Winnebago County, Hancock County |
| State : | Iowa (IA) |
| | |
| Land Area : | 136.12 sq mi |
| Water Area : | 0.58 sq mi |
| Latitude : | 43.2664629 |
| Longitude : | -93.6711180 |
| | |
| Population (2010): | 5,848 |
| Population Estimate (2012) : | 5,733 |
| Population Density : | 42.96/sq mi |
| Housing Units (2012) : | 2,639 |
| Median Household Income (2012) : | $49,563 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $62,061 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $104,500 (Iowa : $123,000, USA : $181,400) |