Cost Of Living in Interior, SD

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A+

1%

Overall NAT. AVG.

0%

Groceries NAT. AVG.

100%

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	Interior	South Dakota	National
Cost of living	99	92	100
Groceries	100	99	100
Health care	98	97	100
Housing	n/a	77	100
Transportation	98	96	100
Utilities	102	103	100
Lifestyle & Entertainment	96	94	100
Household Items	97	96	100
Education & Childcare	98	98	100

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Cost Of Living Quick Facts

The cost of living in Interior is 8% higher than the South Dakota average
The cost of living in Interior is 1% lower than the national average
Interior housing is 14% 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	$89,574	$7,465	$2,090	$2,687
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.
Interior, SD	49	99	1.3%

Cities with similar population

City	Population	Cost of Living Index	National Avg.
Chenega, AK	49	118	18.3%
Goldville, AL	49	79	20.7%
Martinez Lake, AZ	49	104	4.0%
Paynes Creek, CA	49	114	13.8%
Cobbtown, FL	49	103	2.7%
Interior, SD	49	99	1.3%