Housing in Castalia, IA

Home values, rent, ownership rates, and housing market data

Housing Market Snapshot

Source: Zillow — January 2026

Zillow Home Value Index

$285,619

Castalia vs Similar Cities

Source: Census ACS / Redfin (2023)

Compared to cities with under 10,000 residents. Castalia is highlighted.

Median Home Value

19th%ilemost expensive$96,900show rank

Census Housing Data

Source: U.S. Census Bureau ACS (2023)

Median Home Value

$96,900

Median Rent

N/A

Total Housing Units

Vacancy Rate

9.8%

Owner Occupied

93.2%

Renter Occupied

6.8%

Median Property Tax

$1,139

per year

Monthly Cost (w/ Mortgage)

$731

Housing Types

Single Family

89.0%

Multi-Family

3.7%

Mobile Home

7.3%

The median home value in Castalia, IA is $96,900. According to Zillow, the home value index for Castalia is $285,619. About 93.2% of housing units are owner-occupied. The median year homes were built is 1938. There are 82 total housing units.