South Dakota Sales Tax Calculator 2026

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Sales tax in South Dakota (2026)

The South Dakota state sales tax rate is 4.2%. Local rates average 1.91%, for a combined average of 6.11%. Rates from the Tax Foundation's July 1, 2026 midyear table.

Purchase	Sales tax (avg 6.11%)	Total
$100.00	$6.11	$106.11
$500.00	$30.55	$530.55
$1,000.00	$61.10	$1,061.10

What is the sales tax in South Dakota?

The statewide rate is 4.2%. With local taxes included, the average combined rate is 6.11% as of July 1, 2026, though your exact rate depends on your city and county.

How much is sales tax on a $100 purchase in South Dakota?

At the average combined rate of 6.11%, sales tax on a $100 purchase in South Dakota is $6.11, for a total of $106.11.

Does South Dakota have local sales taxes?

Yes. Local sales taxes in South Dakota average 1.91% on top of the state rate, and the exact rate varies by city and county.

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