| Zip Code : | 52133 |
| City : | Castalia city |
| County : | Fayette County, Winneshiek County |
| State : | Iowa (IA) |
| | |
| Land Area : | 45.67 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 43.1101441 |
| Longitude : | -91.6679570 |
| | |
| Population (2010): | 558 |
| Population Estimate (2012) : | 575 |
| Population Density : | 12.22/sq mi |
| Housing Units (2012) : | 247 |
| Median Household Income (2012) : | $62,250 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $66,250 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $169,900 (Iowa : $123,000, USA : $181,400) |