Cost Of Living in Castalia, IA

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16%

Overall NAT. AVG.

0%

Groceries NAT. AVG.

50%

Housing NAT. AVG.

Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.

The cost of living index is based on a national average of 100. For example, if the cost of living score is 90, then the estimated cost of living is 10% lower than the national average. If the score is 110, then the estimated cost of living is 10% higher than average. The overall index is calculated using weighted estimates across major everyday expense categories, including housing (30%), groceries (16%), transportation (12%), healthcare (10%), utilities (8%), lifestyle and entertainment (8%), household expenses (8%), and education and childcare (8%). All values are AI-assisted city-level estimates designed for directional comparisons.
Index	Castalia	Iowa	National
Cost of living	84	89	100
Groceries	100	97	100
Health care	99	96	100
Housing	50	74	100
Transportation	95	97	100
Utilities	104	95	100
Lifestyle & Entertainment	101	95	100
Household Items	100	97	100
Education & Childcare	96	94	100

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Homes For Sale In Castalia, IA

112 Merrill Rd

Castalia, IA

1129 164th St

Castalia, IA

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Cost Of Living Quick Facts

The cost of living in Castalia is 6% lower than the Iowa average
The cost of living in Castalia is 16% lower than the national average
Castalia housing is 50% lower than the national average
Iowa general sales tax is 18% higher than the national average
Iowa state income tax is 69% higher than the national average

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Price difference in compared to

Cost of living index
Groceries index
Health care index
Housing index
Transportation index
Utilities index
Lifestyle index
Household index
Educare index

Median Income & Debt-To-Income Ratio

Median Income	Per Year	Per Month	Max Budget (28% DTI)	Max Budget (36% DTI)
Owners	$74,741	$6,228	$1,744	$2,242
Renters	$0	$0	$0	$0

Iowa Sales Tax

State	General Sales Tax	With Max Surtax
Iowa	6%	7%

Iowa Income Tax

State	Income Tax (Low)	Income Tax (High)
Iowa	4.4%	6%

Nearby cities with low cost of living

City	Population	Cost of Living Index	National Avg.
St. Olaf, IA	134	80	19.8%
St. Lucas, IA	132	80	19.5%
Hawkeye, IA	507	81	19.2%
Elgin, IA	663	81	18.7%
Clermont, IA	499	84	15.5%
Castalia, IA	172	84	15.6%

Cities with similar population

City	Population	Cost of Living Index	National Avg.
Elgin, AZ	172	151	51.2%
Vernon, AZ	172	99	0.6%
Sierraville, CA	172	104	3.8%
Sisquoc, CA	172	126	26.4%
Randolph, KS	172	86	14.2%
Castalia, IA	172	84	15.6%