Castalia
City in Winneshiek County, Iowa

Castalia is a city in Winneshiek County, Iowa, with 145 residents (2020 Census). It sits at 1,247 ft (380 m) above sea level. The nearest town is Ossian, 5.0 miles NW.
- 145residents (2020 Census)
- 1,247 ftelevation · 380 m
- 0.6 sq miland area · 1.5 km²
- 251 / sq mipopulation density
- 52133ZIP code
About Castalia
Castalia is a city in Winneshiek County, Iowa, United States. The population was 145 at the 2020 census.
Text: Wikipedia · CC BY-SA 4.0
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Living in Castalia
- Median household income
- $61,250
- Median home value
- $97,500
- Median age
- 58
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Map of Castalia
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Open in Google Maps ›Castalia, IA population
Castalia had 145 residents in the 2020 Census.
| 2020 Census | 145 |
|---|---|
| Density | 251 per sq mi (97 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Castalia at a glance
| State | Iowa (IA) |
|---|---|
| County | Winneshiek County |
| Type | City |
| Population | 145 (2020) |
| Land area | 0.58 sq mi (1.5 km²) |
| Elevation | 1,247 ft (380 m) |
| Coordinates | 43.1126° N, 91.6769° W |
| ZIP code | 52133 |
| Census code (GEOID) | 1911485 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Castalia
- Ossian5.0 mi NW
- Postville5.8 mi E
- Clermont7.9 mi S
- Calmar10.7 mi NW
- Elgin11.1 mi S
- Luana11.8 mi E
- West Union12.7 mi SW
- Fort Atkinson13.2 mi W
- St. Lucas13.4 mi W
- Decorah14.1 mi NW
- Waukon14.7 mi NE
- Monona15.1 mi E
Straight-line distance between town centers.
Frequently asked questions about Castalia
What county is Castalia in?
Castalia is in Winneshiek County, Iowa.
What is the population of Castalia, IA?
145 people lived in Castalia at the 2020 Census.
What is the ZIP code of Castalia, IA?
The ZIP code of Castalia is 52133.
What is the elevation of Castalia?
1,247 feet (380 m) above sea level.
What towns are near Castalia?
Ossian (5.0 mi), Postville (5.8 mi), Clermont (7.9 mi), Calmar (10.7 mi), Elgin (11.1 mi).
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