| Zip Code : | 50432 |
| City : | Crystal Lake city |
| County : | Hancock County |
| State : | Iowa (IA) |
| Land Area : | 0.44 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 43.2239147 |
| Longitude : | -93.7979541 |
| Population (2010): | 252 |
| Population Estimate (2012) : | 209 |
| Population Density : | 578.76/sq mi |
| Housing Units (2012) : | 141 |
| Median Household Income (2012) : | $34,659 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $44,531 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $55,600 (Iowa : $123,000, USA : $181,400) |