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South Dakota Sales Tax Calculator (2026)

Add South Dakota sales tax: 4.2% state plus about 1.91% average local (6.11% combined). About $6.11 on a $100 purchase.

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2026 planning rates for South Dakota with a statewide average local add-on. Your city can differ. Groceries and other categories are often taxed differently.

Sales tax on common South Dakota purchases

Combined 2026 planning rate for South Dakota (state plus average local). Groceries and other categories can be taxed differently.

Pre-tax priceTaxTotal due
$50.00$3.06$53.06
$100.00$6.11$106.11
$500.00$30.55$530.55
$2,500.00$152.75$2,652.75

Sales tax in South Dakota

A price tag in South Dakota is not always the amount due. This South Dakota sales tax calculator adds the 2026 planning rate to a pre-tax price in your browser.

South Dakota stacks a 4.2% state rate and about 1.91% average local (6.11% combined).

South Dakota’s 4.2% state rate plus locals is a large share of the combined average.

A $100 example

On a $100 taxable purchase, this page estimates $6.11 of tax and $106.11 due. A $1,200 furniture order using the same combined rate is about $73.32 of tax ($1,273.32 total).

Uncheck average local if you only want the 4.2% statewide line. Leave it on when you are budgeting a trip or an online cart and do not know the city rate yet.

How to use this page

Leave the state on South Dakota unless the sale is sourced elsewhere—many remote sellers collect for the buyer’s state. Enter the pre-tax amount. Read tax and total.

Food, prescriptions, and clothing are often exempt or reduced. Confirm the category before you treat this as a checkout total. For a restaurant bill, tax and tip are different lines—use the tip calculator for gratuity.

Frequently asked questions

What is the sales tax rate in South Dakota?
South Dakota’s statewide rate is 4.2%, plus about 1.91% average local, for a 6.11% combined planning rate. South Dakota’s 4.2% state rate plus locals is a large share of the combined average.
How much is sales tax on $100 in South Dakota?
Using the combined average on this page, tax is about $6.11 and the total is $106.11. Groceries, clothing, and services may be exempt or reduced.
Does South Dakota add local sales tax?
Yes, in this table the average local add-on is 1.91%. Uncheck average local on the calculator to see only the 4.2% state rate.
Is this the rate on my receipt?
Only if your city matches the statewide average. Destination-based checkout uses the buyer’s address. This page is a planning average, not a ZIP lookup.
Which tax year is this?
State rates and population-weighted average locals follow midyear 2026 Tax Foundation-style combined figures. Locals change more often than the state rate.

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Sales tax calculator by state

Open a South Dakota page with the state already selected—built for searches like “sales tax calculator Texas.”