Cost Of Living in Sinai, SD

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22%

Overall NAT. AVG.

2%

Groceries NAT. AVG.

64%

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	Sinai	South Dakota	National
Cost of living	78	92	100
Groceries	98	99	100
Health care	95	97	100
Housing	36	77	100
Transportation	93	96	100
Utilities	104	103	100
Lifestyle & Entertainment	93	94	100
Household Items	95	96	100
Education & Childcare	98	98	100

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Cost Of Living Quick Facts

The cost of living in Sinai is 14% lower than the South Dakota average
The cost of living in Sinai is 22% lower than the national average
Sinai housing is 64% lower than the national average
South Dakota general sales tax is 12% lower than the national average
South Dakota state income tax is 100% lower 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	$54,749	$4,562	$1,277	$1,643
Renters	$0	$0	$0	$0

South Dakota Sales Tax

State	General Sales Tax	With Max Surtax
South Dakota	4.5%	6%

South Dakota Income Tax

State	Income Tax (Low)	Income Tax (High)
South Dakota	0%	0%

Nearby cities with low cost of living

City	Population	Cost of Living Index	National Avg.
Hetland, SD	10	96	3.5%
Oldham, SD	135	74	25.8%
Ramona, SD	426	81	18.9%
Bruce, SD	264	82	18.4%
Nunda, SD	51	82	18.2%
Sinai, SD	172	78	21.6%

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%
Castalia, IA	172	84	15.6%
Sinai, SD	172	78	21.6%