| City : | Castalia City |
| County : | Winneshiek County |
| State : | Iowa (IA) |
| Land Area : | 0.58 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 43.1128048 |
| Longitude : | -91.6769622 |
| Population (2010): | 173 |
| Population Estimate (2012) : | 162 |
| Population Density : | 297.44/sq mi |
| Housing Units (2012) : | 84 |
| Median Household Income (2012) : | $46,250 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $52,188 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $79,000 (Iowa : $123,000, USA : $181,400) |
Castalia City Zip Codes
| 52133 (558) |