Castalia, IA zip code
Castalia, Iowa uses one zip code: 52133. Most of it is in Winneshiek County. Together these zip codes are home to about 673 people.
Zip codes
1
Population
673
All zips combined
Largest zip
52133
673 residents
Zip codes in Castalia
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 52133 | 673 | $76,250 |