Castalia, IA
Population 142 · Iowa
About Castalia, IA
Castalia is a small community in Iowa with a population of 142 residents. The median household income is $50,714 per year, which is near the national average. The median age in Castalia is 59.3 years.
Housing in Castalia has a median home value of $96,900 and median monthly rent of $0. Of the 82 total housing units, the majority are owner-occupied, with 69 owner-occupied and 5 renter-occupied units.
The unemployment rate in Castalia is 0.0% and the poverty rate is 8.5%. 6.7% of residents hold a bachelor's degree or higher. The average commute time is 23.8 minutes.
Cost of Living in Castalia, IA
Compared to national averages, Castalia has a median household income of $50,714 (33% below the national median of $75,149). Home values average $96,900, which is 60% below the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within Iowa, Castalia's income is 25% below the state average of $67,947, and home values are 27% below the state median of $132,237.
Why Live in Castalia, IA?
Castalia offers affordable housing with a median home value of $96,900, below the US average of $244,900, and rent that’s lower than the national average at $0/month, and a strong job market with an unemployment rate of just 0.0%. Additionally, the city features a low poverty rate of 8.5%, better than the national average, and short commute times averaging just 23.8 minutes.
Potential considerations include median household income ($50,714) that falls below the national average. However, Castalia’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Castalia has a population of 142 with a median age of 59.3 years. Compare Castalia with other cities to see how it stacks up, or explore all cities in Iowa.
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Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Castalia
What is the population of Castalia, IA?
The population of Castalia, IA is 142 according to the latest Census data.
What is the median household income in Castalia?
The median household income in Castalia, IA is $50,714 per year.
What is the median home value in Castalia?
The median home value in Castalia, IA is $96,900.
What is the average rent in Castalia?
The median monthly rent in Castalia, IA is $0.
What is the unemployment rate in Castalia?
The unemployment rate in Castalia, IA is 0.0%.