Castalia, IA ZIP code
The ZIP code for Castalia, Iowa is 52133. It is in Winneshiek County.
- Population in these ZIPs
- 673
- Avg. median income
- $76,300population-weighted
- Typical home value
- $287,500population-weighted
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Castalia, IA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 52133 | 673 | $76,250 | $287,500 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Castalia
- Ossian 5 mi
- Postville 5 mi
- Clermont 6 mi
- Luana 11 mi
- West Union 11 mi
- Elgin 12 mi
- Saint Lucas 14 mi
- Waukon 14 mi
- Monona 15 mi
- Calmar 15 mi
- Fort Atkinson 15 mi
- Spillville 16 mi
Frequently asked questions
What is the ZIP code for Castalia, IA?
The ZIP code for Castalia, IA is 52133.
What county is Castalia, Iowa in?
Castalia ZIP codes are in Winneshiek County.