House Prices

House Prices & Home Values Castalia, IA 2026


Average Data

average house price$223,667
average size per house2076 ft²
average price per ft²108 $ / ft²

04/19/2026 - The value range (VR) for house prices in Castalia, IA is $115/ sqft to $115/ sqft. An average home with 2076 sqft costs approximately $238,740 to $238,740. Castalia, IA includes 1 ZIP codes and it is located in Winneshiek county. The lowest prices are found in ZIP 52133, while the highest are in ZIP 52133. The average price per sqare feet is $108. Our analysis is based on 3 property listings.

Avergage prices by ZIP codes Castalia

52133110 $ / ft²




Historical development of home values in Castalia

Year Estimated value (USD) Change vs. 2025
2010 $103,875 -53.6%
2011 $99,858 -55.4%
2012 $99,589 -55.5%
2013 $103,312 -53.8%
2014 $108,449 -51.5%
2015 $114,015 -49.0%
2016 $119,965 -46.4%
2017 $126,440 -43.5%
2018 $133,430 -40.3%
2019 $139,617 -37.6%
2020 $146,835 -34.4%
2021 $167,008 -25.3%
2022 $194,694 -13.0%
2023 $205,314 -8.2%
2024 $217,192 -2.9%
2025 $223,667 0.0%

Graph: estimated home values in Castalia over time (USD)



Example: 100% financing house in Castalia

Loan amount: $223,667

Interest rate: 6.00%

Fixed monthly payment: $1,341.00

Breakdown in the 1st month:
Interest portion: $1,118.34  –  Principal portion: $222.66

Yearly breakdown (100% financing)

Year Interest per year ($) Principal per year ($) Remaining balance at year-end ($)
1 $13,345.30 $2,746.66 $220,920.34
2 $13,175.90 $2,916.06 $218,004.28
3 $12,996.04 $3,095.92 $214,908.36
4 $12,805.09 $3,286.87 $211,621.49
5 $12,602.36 $3,489.60 $208,131.89
6 $12,387.13 $3,704.83 $204,427.06
7 $12,158.63 $3,933.33 $200,493.73
8 $11,916.03 $4,175.93 $196,317.79
9 $11,658.46 $4,433.50 $191,884.30
10 $11,385.02 $4,706.94 $187,177.35
11 $11,094.70 $4,997.26 $182,180.09
12 $10,786.48 $5,305.48 $176,874.61
13 $10,459.25 $5,632.71 $171,241.90
14 $10,111.84 $5,980.12 $165,261.78
15 $9,743.00 $6,348.96 $158,912.82
16 $9,351.41 $6,740.55 $152,172.27
17 $8,935.66 $7,156.30 $145,015.97
18 $8,494.28 $7,597.68 $137,418.29
19 $8,025.67 $8,066.29 $129,352.00
20 $7,528.16 $8,563.80 $120,788.20
21 $6,999.96 $9,092.00 $111,696.21
22 $6,439.19 $9,652.77 $102,043.43
23 $5,843.83 $10,248.13 $91,795.30
24 $5,211.75 $10,880.21 $80,915.09
25 $4,540.68 $11,551.28 $69,363.80
26 $3,828.22 $12,263.74 $57,100.06
27 $3,071.82 $13,020.14 $44,079.92
28 $2,268.77 $13,823.19 $30,256.73
29 $1,416.18 $14,675.78 $15,580.95
30 $511.01 $15,580.95 $0.00

Note: The calculation is based on a standard annuity mortgage with a fixed monthly payment over the entire term. Extra payments, interest rate changes, and additional purchase costs (e.g. taxes, notary fees) are not included.


How to sell in Castalia, IA


1500 sqft3900 sqft
Ø selling price$196,021$416,989
Ø fast selling$178,200$375,290
Ø high price sale$213,841$458,687

In 2026, houses in Castalia, IA will be offered at an average price of $108 per square foot. A 1,500 sqft home priced at $196,021 is 21.83% more expensive per square foot than a 3,900 sqft home priced at $416,989. Home prices in Castalia, IA vary significantly depending on the neighborhood and location. For a quick sale, a 2,700 sqft home should be listed at around $288,684. Sellers who can wait longer may achieve a higher price of up to $352,836.


Discover Castalia, IA

Castalia, IA is a small, welcoming community in Winneshiek County nestled in the scenic hills of northeast Iowa.

Location and Community

Its convenient position near regional hubs like Decorah and Postville makes it a peaceful base with easy access to services, shopping, and healthcare.

Visitors and residents value the town?s friendly atmosphere, low traffic, and the classic Midwestern sense of neighborliness.

Outdoors and Recreation

The surrounding countryside offers year-round outdoor recreation, including hiking, cycling, wildlife watching, and excellent angling on nearby cold-water streams and rivers.
Within a short drive, you can explore county parks, prairie preserves, and panoramic byways that showcase the area?s rolling farmland and limestone bluffs.

Economy and Living

Castalia?s local economy reflects northeast Iowa?s strengths in agriculture, small businesses, and skilled trades, with larger employers and colleges a short commute away.

Affordable housing, open spaces, and improving broadband options appeal to remote workers and families seeking a quieter lifestyle without sacrificing connectivity.

History and Culture

Rooted in late-nineteenth-century settlement patterns common to the region, the community celebrates its heritage through church gatherings, seasonal events, and volunteer programs.

Local traditions, small-town festivals, and nearby museums in Winneshiek County highlight the area?s Norwegian, German, and Midwestern agricultural influences.

Plan Your Visit

Whether you are planning a weekend trip, researching real estate, or simply curious about Castalia, Iowa, you will find a quiet destination with authentic charm, outdoor access, and room to breathe.



FAQ – Home Values in Castalia

What is the median home value in Castalia in 2026?

In 2026, the typical home value in Castalia is about $223,667 for an average home size of 2076 square feet. This corresponds to an average price of roughly $108 per square foot.

What is the average cost per square foot in Castalia?

In 2026, homes in Castalia sell for an average of around $108 per square foot, with a typical range between $115 and $115 per square foot, depending on the property’s location, condition, and lot size.

What is the average home size in ?

The average home size in Castalia is about 2076 square feet, with an estimated 2026 value around $223,667.



Locations close to Castalia, IA

Chester, IA97 $ / ft²
Clermont, IA111 $ / ft²
Cresco, IA110 $ / ft²
Calmar, IA115 $ / ft²
Decorah, IA153 $ / ft²
Zwingle, IA128 $ / ft²
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